# Berkshire Hathaway
> Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.
## Record
| Field | Value |
| --- | --- |
| Representation | alpha-profile-markdown-v4 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce |
| Governance record representation | alpha-governance-record-v2 |
| Canonical entity | alpha:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704 |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/berkshire-hathaway |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 40 |
| Claims under review | 2 |
| Evidence records | 10 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-16T04:47:51.255256+00:00 |
| Last reviewed | 2026-10-16T04:47:51.255256+00:00 |
## Identity
- Legal name: BERKSHIRE HATHAWAY INC
- Display name: Berkshire Hathaway
## Alpha Governance Record
| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce |
| As of | 2026-10-16T05:48:56.506926+00:00 |
| Completeness | 0.455 |
| Record Quality | 0.815 |
| Directors | 13 |
| Committees | 4 |
| Governance events | 22 |
| Entity class | public_company |
## Section coverage
| Section | State |
| --- | --- |
| identity | PUBLISHED |
| corporate_structure | NOT_REVIEWED |
| board | PUBLISHED |
| committees | PUBLISHED |
| leadership | PUBLISHED |
| ownership | NOT_REVIEWED |
| financials | NOT_REVIEWED |
| capital_structure | PUBLISHED |
| compensation | NOT_REVIEWED |
| governance | NOT_REVIEWED |
| shareholder_governance | NOT_REVIEWED |
| audit | NOT_REVIEWED |
| legal | NOT_REVIEWED |
| risk | NOT_REVIEWED |
| cyber | NOT_REVIEWED |
| ai_governance | NOT_REVIEWED |
| agent_governance | RESTRICTED |
| markets_external | PUBLISHED |
| events | PUBLISHED |
| relationships | PUBLISHED |
| assessments | PUBLISHED |
| evidence | PUBLISHED |
## Board
- Ajit Jain: Director. Status: current. Independent: false. Since: 2018-01-01. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:10
- Charlotte Guyman: Independent Director. Status: current. Independent: true. Since: 2003-01-01. Committees: Governance, Compensation and Nominating (chair); Governance, Compensation and Nominating · Chair (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:11
- Christopher C. Davis: Independent Director. Status: current. Independent: true. Since: 2021-01-01. Committees: Audit (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:12
- Gregory E. Abel: Director. Status: current. Independent: false. Since: 2018-01-01. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:13
- Howard G. Buffett: Director. Status: current. Independent: false. Since: 1993-01-01. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:14
- Kenneth I. Chenault: Independent Director. Status: current. Independent: true. Since: 2020-01-01. Committees: Governance, Compensation and Nominating (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:15
- Meryl B. Witmer: Independent Director. Status: current. Independent: true. Since: 2013-01-01. Committees: Audit (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:16
- Stephen B. Burke: Independent Director. Status: current. Independent: true. Since: 2009-01-01. Committees: Governance, Compensation and Nominating (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:17
- Susan A. Buffett: Director. Status: current. Independent: false. Since: 2021-01-01. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:18
- Susan L. Decker: Lead Independent Director. Status: current. Independent: true. Since: 2007-01-01. Committees: Audit (chair); Audit · Chair (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:19
- Thomas S. Murphy Jr: Independent Director. Status: current. Independent: true. Since: 2022-01-01. Committees: Governance, Compensation and Nominating (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:20
- Wallace R. Weitz: Independent Director. Status: current. Independent: true. Since: 2022-01-01. Committees: Audit (member). claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:21
- Warren E. Buffett: Chairman. Status: current. Independent: false. Since: 1965-01-01. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:9
## Committees
- Audit (audit). Chair: Susan L. Decker. Members: Susan L. Decker (chair, current); Christopher C. Davis (member, current); Meryl B. Witmer (member, current); Wallace R. Weitz (member, current). committee_id=alpha:committee:berkshire-hathaway:audit
- Audit · Chair (audit). Chair: NOT_PUBLISHED. Members: Susan L. Decker (member, current). committee_id=alpha:committee:berkshire-hathaway:audit-chair
- Governance, Compensation and Nominating (compensation). Chair: Charlotte Guyman. Members: Charlotte Guyman (chair, current); Kenneth I. Chenault (member, current); Stephen B. Burke (member, current); Thomas S. Murphy Jr (member, current). committee_id=alpha:committee:berkshire-hathaway:governance-compensation-and-nominating
- Governance, Compensation and Nominating · Chair (compensation). Chair: NOT_PUBLISHED. Members: Charlotte Guyman (member, current). committee_id=alpha:committee:berkshire-hathaway:governance-compensation-and-nominating-chair
## Executive leadership
- Charles C Chang: Chief Financial Officer [CFO]. Status: current. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:23
- Adam Johnson: President of Consumer Products, Service & Retailing [PRESIDENT]. Status: unknown. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:22
- Daniel Jerome Jaksich: Vice President, Controller & Principal Accounting Officer [CAO]. Status: unknown. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:24
- Gregory E. Abel: Chief Executive Officer [CEO]. Status: unknown. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:25
- Kara Lee Raiguel: CEO & President of General Re Unit [CEO]. Status: unknown. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:26
- Peter James Eastwood: Chief Executive Officer & President of Specialty Insurance [CEO]. Status: unknown. claim_id=alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:27
## Governance events
- CFO_CHANGED: Charles C Chang executive of Berkshire Hathaway, effective 2026-06-01. Effective: 2026-06-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:wipxsy70no9m
- DIRECTOR_APPOINTED: Thomas S. Murphy Jr seat on Berkshire Hathaway, effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1clz5bkhn12ay
- DIRECTOR_APPOINTED: Wallace R. Weitz seat on Berkshire Hathaway, effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1f337nzbr5iev
- DIRECTOR_APPOINTED: Christopher C. Davis seat on Berkshire Hathaway, effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1eiyv4y1kxhum0
- DIRECTOR_APPOINTED: Susan A. Buffett seat on Berkshire Hathaway, effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:y650qg1g4wd6y
- COMMITTEE_MEMBER_ADDED: Christopher C. Davis member of Audit, effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:nm8wob198ajqp
- DIRECTOR_APPOINTED: Kenneth I. Chenault seat on Berkshire Hathaway, effective 2020-01-01. Effective: 2020-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:375nzm1slpm9e
- COMMITTEE_MEMBER_ADDED: Kenneth I. Chenault member of Governance, Compensation and Nominating, effective 2020-01-01. Effective: 2020-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:349jrxmt9dcp
- DIRECTOR_APPOINTED: Ajit Jain seat on Berkshire Hathaway, effective 2018-01-01. Effective: 2018-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1p0bcicvn0ffo
- DIRECTOR_APPOINTED: Gregory E. Abel seat on Berkshire Hathaway, effective 2018-01-01. Effective: 2018-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:hk9qj5k9209n
- DIRECTOR_APPOINTED: Meryl B. Witmer seat on Berkshire Hathaway, effective 2013-01-01. Effective: 2013-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:9b624t6oejv5
- DIRECTOR_APPOINTED: Stephen B. Burke seat on Berkshire Hathaway, effective 2009-01-01. Effective: 2009-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1jbx7151a2sm7z
- DIRECTOR_APPOINTED: Susan L. Decker seat on Berkshire Hathaway, effective 2007-01-01. Effective: 2007-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1l2ciq71o82nb7
- LEAD_DIRECTOR_CHANGED: Susan L. Decker lead independent director of Berkshire Hathaway, effective 2007-01-01. Effective: 2007-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:vh71k51g6b6rj
- COMMITTEE_CREATED: Audit · Chair committee of Berkshire Hathaway, effective 2007-01-01. Effective: 2007-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:149oxun1cl78fv
- COMMITTEE_MEMBER_ADDED: Susan L. Decker member of Audit · Chair, effective 2007-01-01. Effective: 2007-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:14dq3p5107or75
- DIRECTOR_APPOINTED: Charlotte Guyman seat on Berkshire Hathaway, effective 2003-01-01. Effective: 2003-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1fio9avitw4rb
- COMMITTEE_CREATED: Governance, Compensation and Nominating · Chair committee of Berkshire Hathaway, effective 2003-01-01. Effective: 2003-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:nsheonf1nrin
- COMMITTEE_MEMBER_ADDED: Charlotte Guyman member of Governance, Compensation and Nominating · Chair, effective 2003-01-01. Effective: 2003-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1og5qtal3wb4a
- DIRECTOR_APPOINTED: Howard G. Buffett seat on Berkshire Hathaway, effective 1993-01-01. Effective: 1993-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:jc1nvj1931w71
- DIRECTOR_APPOINTED: Warren E. Buffett seat on Berkshire Hathaway, effective 1965-01-01. Effective: 1965-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:8luhmm79tuo
- BOARD_CHAIR_CHANGED: Warren E. Buffett chairs board Berkshire Hathaway, effective 1965-01-01. Effective: 1965-01-01. Detected: 2026-10-16T04:47:51.255256+00:00. event_id=alpha:event:transition:1vwv0aa1j078e0
## Scoped resources
- `alpha://company/berkshire-hathaway` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record
- `alpha://company/berkshire-hathaway/identity` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=identity
- `alpha://company/berkshire-hathaway/corporate-structure` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=corporate-structure
- `alpha://company/berkshire-hathaway/board` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=board
- `alpha://company/berkshire-hathaway/committees` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=committees
- `alpha://company/berkshire-hathaway/leadership` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=leadership
- `alpha://company/berkshire-hathaway/ownership` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=ownership
- `alpha://company/berkshire-hathaway/financials` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=financials
- `alpha://company/berkshire-hathaway/capital-structure` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=capital-structure
- `alpha://company/berkshire-hathaway/compensation` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=compensation
- `alpha://company/berkshire-hathaway/governance` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=governance
- `alpha://company/berkshire-hathaway/shareholder-governance` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=shareholder-governance
- `alpha://company/berkshire-hathaway/audit` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=audit
- `alpha://company/berkshire-hathaway/legal` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=legal
- `alpha://company/berkshire-hathaway/risk` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=risk
- `alpha://company/berkshire-hathaway/cyber` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=cyber
- `alpha://company/berkshire-hathaway/ai-governance` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=ai-governance
- `alpha://company/berkshire-hathaway/agents` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=agents
- `alpha://company/berkshire-hathaway/ecosystem` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=ecosystem
- `alpha://company/berkshire-hathaway/events` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=events
- `alpha://company/berkshire-hathaway/relationships` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=relationships
- `alpha://company/berkshire-hathaway/assessments` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=assessments
- `alpha://company/berkshire-hathaway/evidence` (contract): https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record§ion=evidence
## Role modules
- NOT_ASSERTED
## Attention
- NO_RECORDS_FOUND
## Committee data
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:29: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"chair","person":{"alpha_id":"alpha:person:susan-l-decker","name":"Susan L. Decker"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:30: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:christopher-c-davis","name":"Christopher C. Davis"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:31: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:meryl-b-witmer","name":"Meryl B. Witmer"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:32: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:wallace-r-weitz","name":"Wallace R. Weitz"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:34: `{"kind":"committee_appointment","original_name":"Governance, Compensation and Nominating","category":"compensation","role":"chair","person":{"alpha_id":"alpha:person:charlotte-guyman","name":"Charlotte Guyman"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:35: `{"kind":"committee_appointment","original_name":"Governance, Compensation and Nominating","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:kenneth-i-chenault","name":"Kenneth I. Chenault"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:36: `{"kind":"committee_appointment","original_name":"Governance, Compensation and Nominating","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:stephen-b-burke","name":"Stephen B. Burke"},"source_id":"board_seats"}`
- Claim alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:37: `{"kind":"committee_appointment","original_name":"Governance, Compensation and Nominating","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:thomas-s-murphy-jr","name":"Thomas S. Murphy Jr"},"source_id":"board_seats"}`
## Leadership
- Warren E. Buffett: Chairman. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:9. Valid from: 1965-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Ajit Jain: Director. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:10. Valid from: 2018-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Charlotte Guyman: Independent Director, Governance, Compensation and Nominating · Chair. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:11. Valid from: 2003-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Christopher C. Davis: Independent Director, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:12. Valid from: 2021-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Gregory E. Abel: Director. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:13. Valid from: 2018-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Howard G. Buffett: Director. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:14. Valid from: 1993-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Kenneth I. Chenault: Independent Director, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:15. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Meryl B. Witmer: Independent Director, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:16. Valid from: 2013-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Stephen B. Burke: Independent Director, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:17. Valid from: 2009-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Susan A. Buffett: Director. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:18. Valid from: 2021-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Susan L. Decker: Lead Independent Director, Audit · Chair. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:19. Valid from: 2007-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Thomas S. Murphy Jr: Independent Director, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:20. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Wallace R. Weitz: Independent Director, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:21. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4.
- Adam Johnson: President of Consumer Products, Service & Retailing. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:22. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:fcc8703e4600b406ceadbd8fe3a4cda993c741b8663f1a01ba9fde72475f59a3.
- Charles C Chang: Chief Financial Officer. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:23. Valid from: 2026-06-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:2e5efac8748994b6703c089ac1122015e720f29bbed856ed7dfc892983c02861.
- Daniel Jerome Jaksich: Vice President, Controller & Principal Accounting Officer. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:24. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:3ceade72b9a58a02d37cfecbca883b71dc0bc64b647ef0d370d28a190fde6fba.
- Gregory E. Abel: Chief Executive Officer. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:25. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:0d836c0ffc4ee02592fac57c5f80d1e0e0a9ea99f3fa8775213aa994d910085d.
- Kara Lee Raiguel: CEO & President of General Re Unit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:26. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:ed5f92a939ce099ae61ac824552986bbf7c68ef11eb646f0ab536d628c198c13.
- Peter James Eastwood: Chief Executive Officer & President of Specialty Insurance. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:leadership_role:27. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:7b52993495b0af947c1eaf9b2bd20303050fe6dfb88c279177903d760e975edf.
## Roles
- PUBLISHED
## Governance
- NOT_ASSERTED
## Board committees
- Audit: Chair Susan L. Decker; Members Susan L. Decker (Chair); Christopher C. Davis; Meryl B. Witmer; Wallace R. Weitz. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_record:28. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Governance, Compensation and Nominating: Chair Charlotte Guyman; Members Charlotte Guyman (Chair); Kenneth I. Chenault; Stephen B. Burke; Thomas S. Murphy Jr. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_record:33. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
## Financials
- NOT_ASSERTED
## Workforce
- NOT_ASSERTED
## Market and index context
- S&P 500 (SPX). Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:index_membership:38. Valid from: 2010-02-16. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:827a22a1567eda11fa866650563f33918ee2975144378fa7fd6f46399da5427a.
## Legal Name
- BERKSHIRE HATHAWAY INC. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:legal_name:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
## Entity Status
- Public listing published. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:entity_status:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
## Published Fact
- US. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:published_fact:5. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
- DE. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:published_fact:6. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
- Financials. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:published_fact:7. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
- Insurance. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:published_fact:8. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
## Committee Appointment
- Susan L. Decker: chair, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:29. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Christopher C. Davis: member, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:30. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Meryl B. Witmer: member, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:31. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Wallace R. Weitz: member, Audit. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:32. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Charlotte Guyman: chair, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:34. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Kenneth I. Chenault: member, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:35. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Stephen B. Burke: member, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:36. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
- Thomas S. Murphy Jr: member, Governance, Compensation and Nominating. Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:committee_appointment:37. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205.
## Security Listing
- BRK-A (NYSE). Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:security_listing:39. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
- BRK-B (NYSE). Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:security_listing:40. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
- BRK.A (NYSE). Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:security_listing:41. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
- BRK.B (NYSE). Claim: alpha:claim:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704:security_listing:42. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2.
## Coverage states
| Field | Value |
| --- | --- |
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |
## Public sources
- alpha:projection-evidence:44edb5494ec8cbbf315fdb362285181ef0b23827a4f3bf1dd8895044759327d2: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/berkshire-hathaway).
- alpha:projection-evidence:document:22e2405846b18c737c64279329fb00044019a84f0dd4af06831fefe78957f1c4: [BERKSHIRE HATHAWAY INC DEF 14A 2026-03-13](https://www.sec.gov/Archives/edgar/data/1067983/000119312526106253/d882687ddef14a.htm).
- alpha:projection-evidence:document:fcc8703e4600b406ceadbd8fe3a4cda993c741b8663f1a01ba9fde72475f59a3: [Berkshire Hathaway Inc. Class A key executives](https://financialmodelingprep.com/stable/key-executives?symbol=BRK-A).
- alpha:projection-evidence:2e5efac8748994b6703c089ac1122015e720f29bbed856ed7dfc892983c02861: [legacy](https://www.sec.gov/Archives/edgar/data/1067983/000119312525314935/d10933d8k.htm).
- alpha:projection-evidence:document:3ceade72b9a58a02d37cfecbca883b71dc0bc64b647ef0d370d28a190fde6fba: [Berkshire Hathaway Inc. Class A key executives](https://financialmodelingprep.com/stable/key-executives?symbol=BRK-A).
- alpha:projection-evidence:document:0d836c0ffc4ee02592fac57c5f80d1e0e0a9ea99f3fa8775213aa994d910085d: [Berkshire Hathaway official leadership roster](https://www.sec.gov/Archives/edgar/data/1067983/000119312526083899/brka-20251231.htm).
- alpha:projection-evidence:document:ed5f92a939ce099ae61ac824552986bbf7c68ef11eb646f0ab536d628c198c13: [Berkshire Hathaway Inc. Class A key executives](https://financialmodelingprep.com/stable/key-executives?symbol=BRK-A).
- alpha:projection-evidence:document:7b52993495b0af947c1eaf9b2bd20303050fe6dfb88c279177903d760e975edf: [Berkshire Hathaway Inc. Class A key executives](https://financialmodelingprep.com/stable/key-executives?symbol=BRK-A).
- alpha:projection-evidence:0c943eb4426501bf2ffea87869246c4c659d4d5ba529ec6f96c7e32550b17205: [Audit](https://www.sec.gov/Archives/edgar/data/1067983/000119312526106253/d882687ddef14a.htm).
- alpha:projection-evidence:827a22a1567eda11fa866650563f33918ee2975144378fa7fd6f46399da5427a: [S&P 500](https://www.slickcharts.com/sp500).
## Rights
| Field | Value |
| --- | --- |
| public_retrieval | allowed |
| agent_retrieval | allowed |
| redistribution | not_granted |
| model_training | not_granted |
| commercial_use | not_specified |
| relationship_pathfinding | not_granted |
| direct_contact | not_granted |
## Limitations
- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.
## Alternate representations
- [Canonical profile](https://registry.alpha.ac/companies/berkshire-hathaway)
- [Public Markdown](https://registry.alpha.ac/companies/berkshire-hathaway.md)
- [Public JSON](https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=jsonld)
- MCP resource: `alpha://companies/berkshire-hathaway` at https://mcp.alpha.ac/mcp
## Connected governance records
Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage.
## Critical-risk oversight
Snapshot as of 2026-10-16T05:48:56.240321+00:00; recorded 2026-10-16T05:48:56.240321+00:00. Every published assignment for this snapshot is listed.
Only explicitly reviewed, rights-cleared assignments in effect on the as-of date, in the company's own wording.
An assignment shows where oversight is placed, not whether it is effective. Missing records do not establish absence.Berkshire Hathaway, for agents
The same record as the human view, as a structured object any agent can read and cite. Reading is open to every agent, model, and tool, with no key and no account. Signing and transparency logging are not yet published for this record.
- Alpha ID
- alpha:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704
- Version
- vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ceRecorded Oct 16, 2026
- Content hash
- Not yet signed
- Signature
- Not yet signed
- Transparency log
- Not yet signed
- Freshness
- ObservedChecked Oct 16, 2026. Reviewed Oct 16, 2026
- Read access
- OpenNo key for public retrieval
- Processing basis
- Public recordDoctrine
Read
OpenOne canonical URL. The Accept header or a file suffix selects the format. Every format renders the same Claims and carries the same record version.
curl -H "Accept: application/json" https://registry.alpha.ac/companies/berkshire-hathawayTrustCheck and Governance Receipts
Agent tierIllustrative. TrustChecks run in the private enterprise overlay. The example below is generated for this entity class and does not reference this record. Contract: TrustCheck and Governance Receipts v0.1.
Agents about to act ask a question, not for a document. A TrustCheck evaluates the AuthorityGrant objects behind a proposed action and returns allow, deny, require_approval, or insufficient_evidence. The source system acts, and a GovernanceReceipt records what the agent relied on.
- allow, deny
- The AuthorityGrant and policy decide. Reason codes name the rule.
- require_approval
- An entitled human records the decision. Customer policy sets the threshold, never an Eval.
- insufficient_evidence
- No authority is registered. Alpha never infers permission to act.
curl https://www.alpha.ac/v1/action-intents \
-H 'Content-Type: application/json' \
-b "$ALPHA_SESSION_COOKIE" \
-d '{
"schema_version": "2026-08-29",
"environment": "test",
"actor": { "alpha_id": "alpha:account:self", "type": "alpha_account" },
"principal": { "alpha_id": "alpha:company:example-issuer", "type": "organization" },
"organization": { "alpha_id": "alpha:company:example-issuer", "type": "organization" },
"proposed_action": { "type": "purchase_order.commit", "description": "Accept an order placed by an agent claiming company authority." },
"requested_authority": ["purchase_order.commit"]
}'
# then
curl https://www.alpha.ac/v1/trust-checks -H 'Content-Type: application/json' \
-b "$ALPHA_SESSION_COOKIE" -d '{ "action_intent_id": "<from the previous response>" }'{
"schema_version": "2026-08-29",
"trust_check_id": "alpha:trust-check:illustrative-0001",
"decision": "insufficient_evidence",
"explanation": "No AuthorityGrant names this agent and organization.",
"reason_codes": [
"authority_grant_missing"
],
"evaluated_authority": {
"authority_grants": []
},
"policy_version": "trustcheck.registry-claim.test.v0.1",
"integrity_state": "recorded",
"limitations": [
"Illustrative example. No TrustCheck was run for this record."
]
}{
"schema_version": "2026-08-29",
"receipt_id": "alpha:receipt:illustrative-0001",
"environment": "test",
"actor": {
"alpha_id": "alpha:account:self",
"type": "alpha_account"
},
"agent": {
"provider": {
"alpha_id": "alpha:company:example-agent-provider",
"type": "provider"
},
"product": {
"alpha_id": "alpha:agent-product:example-procurement-agent",
"type": "agent_product"
},
"deployment": {
"alpha_id": "alpha:agent-deployment:example-deployment",
"type": "agent_deployment"
},
"use_case": {
"alpha_id": "alpha:agent-use-case:example-purchase-order",
"type": "agent_use_case"
},
"workflow": "Illustrative purchase order commitment"
},
"principal": {
"alpha_id": "alpha:company:example-issuer",
"type": "organization"
},
"sponsor": {
"alpha_id": "alpha:company:example-issuer",
"type": "organization"
},
"action_intent_id": "alpha:action-intent:illustrative-0001",
"trust_check_id": "alpha:trust-check:illustrative-0001",
"authority_grant_references": [],
"action_intent": {
"type": "purchase_order.commit"
},
"affected_alpha_ids": [
"alpha:company:example-issuer"
],
"trust_check_decision": "insufficient_evidence",
"policy_version": "trustcheck.registry-claim.test.v0.1",
"rule_references": [
{
"reason_code": "authority_grant_missing",
"rule_id": "trustcheck.authority_grant_missing",
"policy_ref": "trustcheck.registry-claim.test.v0.1",
"control_ref": null,
"grant_policy_references": []
}
],
"integrity": "Illustrative. Not issued, not signed."
}Connect
Open readEvery surface reads the same published record. No surface holds its own copy of the facts.
// claude_desktop_config.json, Cursor, or any MCP client
{
"mcpServers": {
"alpha": { "url": "https://mcp.alpha.ac/mcp" }
}
}
// This record as an MCP resource
alpha://companies/berkshire-hathawayalpha://companies/berkshire-hathawayThis record as an MCP resourcehttps://registry.alpha.ac/api/public/companies/berkshire-hathaway?format=recordThe same record over HTTP
Subscribe to changes
Agent tier, previewNo public subscription endpoint is published yet. Event delivery is part of Agent tier access, in preview. Access and availability.
CFO_CHANGEDDerived governance event published on this record (alpha-governance-event-derivation-v2)DIRECTOR_APPOINTEDDerived governance event published on this record (alpha-governance-event-derivation-v2)COMMITTEE_MEMBER_ADDEDDerived governance event published on this record (alpha-governance-event-derivation-v2)LEAD_DIRECTOR_CHANGEDDerived governance event published on this record (alpha-governance-event-derivation-v2)COMMITTEE_CREATEDDerived governance event published on this record (alpha-governance-event-derivation-v2)BOARD_CHAIR_CHANGEDDerived governance event published on this record (alpha-governance-event-derivation-v2)
{
"specversion": "1.0",
"type": "ac.alpha.registry.CFO_CHANGED",
"source": "https://registry.alpha.ac/companies/berkshire-hathaway",
"subject": "alpha:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704",
"data": {
"record_version": "public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce",
"note": "Subscription delivery is Agent tier, preview. Not yet available publicly."
}
}Versions and changes
OpenRecords are versioned. Derived governance events on this record are listed below with the version that publishes them. Effective is the world time the derivation states; Recorded is when Alpha detected the event. Content hashes and log entries appear once records are signed.
| Version | Effective | Recorded | Content hash | Log entry | What changed |
|---|---|---|---|---|---|
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jun 1, 2026 | Oct 16, 2026 | Not yet signed | Not yet signed | Charles C Chang executive of Berkshire Hathaway, effective 2026-06-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2022 | Oct 16, 2026 | Not yet signed | Not yet signed | Thomas S. Murphy Jr seat on Berkshire Hathaway, effective 2022-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2022 | Oct 16, 2026 | Not yet signed | Not yet signed | Wallace R. Weitz seat on Berkshire Hathaway, effective 2022-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2021 | Oct 16, 2026 | Not yet signed | Not yet signed | Christopher C. Davis seat on Berkshire Hathaway, effective 2021-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2021 | Oct 16, 2026 | Not yet signed | Not yet signed | Susan A. Buffett seat on Berkshire Hathaway, effective 2021-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2021 | Oct 16, 2026 | Not yet signed | Not yet signed | Christopher C. Davis member of Audit, effective 2021-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2020 | Oct 16, 2026 | Not yet signed | Not yet signed | Kenneth I. Chenault seat on Berkshire Hathaway, effective 2020-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2020 | Oct 16, 2026 | Not yet signed | Not yet signed | Kenneth I. Chenault member of Governance, Compensation and Nominating, effective 2020-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2018 | Oct 16, 2026 | Not yet signed | Not yet signed | Ajit Jain seat on Berkshire Hathaway, effective 2018-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2018 | Oct 16, 2026 | Not yet signed | Not yet signed | Gregory E. Abel seat on Berkshire Hathaway, effective 2018-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2013 | Oct 16, 2026 | Not yet signed | Not yet signed | Meryl B. Witmer seat on Berkshire Hathaway, effective 2013-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2009 | Oct 16, 2026 | Not yet signed | Not yet signed | Stephen B. Burke seat on Berkshire Hathaway, effective 2009-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2007 | Oct 16, 2026 | Not yet signed | Not yet signed | Susan L. Decker seat on Berkshire Hathaway, effective 2007-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2007 | Oct 16, 2026 | Not yet signed | Not yet signed | Susan L. Decker lead independent director of Berkshire Hathaway, effective 2007-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2007 | Oct 16, 2026 | Not yet signed | Not yet signed | Audit · Chair committee of Berkshire Hathaway, effective 2007-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2007 | Oct 16, 2026 | Not yet signed | Not yet signed | Susan L. Decker member of Audit · Chair, effective 2007-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2003 | Oct 16, 2026 | Not yet signed | Not yet signed | Charlotte Guyman seat on Berkshire Hathaway, effective 2003-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2003 | Oct 16, 2026 | Not yet signed | Not yet signed | Governance, Compensation and Nominating · Chair committee of Berkshire Hathaway, effective 2003-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 2003 | Oct 16, 2026 | Not yet signed | Not yet signed | Charlotte Guyman member of Governance, Compensation and Nominating · Chair, effective 2003-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 1993 | Oct 16, 2026 | Not yet signed | Not yet signed | Howard G. Buffett seat on Berkshire Hathaway, effective 1993-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 1965 | Oct 16, 2026 | Not yet signed | Not yet signed | Warren E. Buffett seat on Berkshire Hathaway, effective 1965-01-01. |
| vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | Jan 1, 1965 | Oct 16, 2026 | Not yet signed | Not yet signed | Warren E. Buffett chairs board Berkshire Hathaway, effective 1965-01-01. |
Access, rights, and the public-role doctrine
Facts are open. Rights travel with every Claim and every Evidence record, so an agent sees the same terms whichever format it reads.
| Capability | Access | Agents |
|---|---|---|
| Alpha Disclosure sample | public | human process |
| Alpha public website | public | retrievable now |
| Alpha Standard, methodology, and research | public | retrievable now |
| Alpha Profiles (public executive and company records) | public | retrievable now |
| Public HTTP endpoints described by OpenAPI 3.1 | public | retrievable now |
| Alpha MCP public discovery and read-only capabilities | public | retrievable now |
| Alpha AI Readiness Eval | public | human process |
| Alpha Platform | approved access | requires approved access |
| Alpha API (authenticated operations) | approved access | requires approved access |
| Alpha MCP premium capabilities | approved access | requires approved access |
| Alpha Evals and verified assessments | custom | human process |
| Alpha Council membership | custom | human process |
| Alpha Institute education, workshops, and coaching | custom | human process |
| Governance diagnostics and institutional advisory | custom | human process |
Record limitations. Every representation states these in the same words; nothing is inferred as zero.
- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.
"rights": {
"public_retrieval": "allowed",
"agent_retrieval": "allowed",
"redistribution": "not_granted",
"model_training": "not_granted",
"commercial_use": "not_specified",
"relationship_pathfinding": "not_granted",
"direct_contact": "not_granted"
}
"evidence_rights": {
"evidence_records": 10,
"redistribution_allowed": 0,
"restricted_or_unknown": 10,
"classified_unknown": 10
}"data_subject": {
"basis": "public_record",
"entity": "alpha:company:b2f1fcbe-31ce-4c7a-9cc4-6d1711149704",
"identity_ownership": "unclaimed",
"rights": {
"public_retrieval": "allowed",
"agent_retrieval": "allowed",
"redistribution": "not_granted",
"model_training": "not_granted",
"commercial_use": "not_specified",
"relationship_pathfinding": "not_granted",
"direct_contact": "not_granted"
},
"requests": "https://www.alpha.ac/contact"
}How agents find this
OpenThe page head and every response carry rel="alternate" links and the Registry's Link header. The list below is generated from the same list the server emits.
/.well-known/ai-catalog.jsonAlpha Agentic Resource Discovery manifest/.well-known/api-catalogapi-catalog/.well-known/webmcp.jsonAlpha WebMCP tool discovery/openapi.jsonAlpha Governance Public Intelligence API (OpenAPI 3.1)/apiAlpha Intelligence API/developersAlpha Governance Developer Platform/docs/trustcheck-receipts-v01.mdTrustCheck and Governance Receipts v0.1 test preview/docs/apiAlpha service documentation/llms.txtAlpha service docs for AI agents/agents.mdAlpha agent instructions (when to use Alpha)/api-versioning.mdAlpha public API versioning and deprecation policy/.well-known/agent-skills/index.jsonAgent Skills Index/products/accessAlpha Access and Availability/api/public/product-accessAlpha Product Access and Availability JSON/api/public/auth-capabilitiesAlpha Authentication Capabilities JSON/peopleAlpha Executive Profiles/companiesAlpha Company Profiles/people/readinessAlpha Profile Coverage and Agent Readiness/api/public/profile-readinessAlpha Public Profile Readiness JSON/api/public/profiles/steven-wolfe-pereiraAlpha Public Profile JSON Example/.well-known/agent-card.jsonA2A Agent Card/.well-known/mcp/server-card.jsonMCP Server Card/.well-known/openid-configurationOpenID Configuration/.well-known/oauth-protected-resourceOAuth Protected Resource/.well-known/oauth-authorization-serverOAuth Authorization Server (agent_auth)/.well-known/agent-registrationAgent Registration/.well-known/http-message-signatures-directoryhttp-message-signatures-directory/.well-known/jwks-rotationJWKS Rotation Policy/auth.mdAgent Authentication/llms.txtSite overview for AI agents/sitemap.xmlsitemap/api/public/agent-readinessAgent Readiness Status/api/public/company-report/osw-market-dataOSW Market Data Verification
Record map and assertion states
| Section | Anchor | Resource | State | Claims |
|---|---|---|---|---|
| Identity | #c-subject | /identity | Published | 0 |
| Corporate structure | - | /corporate_structure | Not reviewed | - |
| Board | #c-board | /board | Published | 13 |
| Committees | #c-committees | /committees | Published | 10 |
| Leadership | #c-leadership | /leadership | Published | 6 |
| Ownership | #c-control | /ownership | Not reviewed | 0 |
| Financials | #c-financials | /financials | Not reviewed | 5 |
| Capital structure | - | /capital_structure | Published | - |
| Compensation | #c-comp | /compensation | Not reviewed | 0 |
| Governance | #c-governance | /governance | Not reviewed | 0 |
| Shareholder governance | - | /shareholder_governance | Not reviewed | - |
| Audit | - | /audit | Not reviewed | - |
| Legal | #c-legal | /legal | Not reviewed | 0 |
| Risk | #c-risk | /risk | Not reviewed | 0 |
| Cyber | - | /cyber | Not reviewed | - |
| AI governance | #c-ai | /ai_governance | Not reviewed | 0 |
| Agent governance | #c-authority | /agent_governance | Restricted | 0 |
| Markets external | - | /markets_external | Published | - |
| Events | #c-history | /events | Published | 22 |
| Relationships | #c-links | /relationships | Published | 19 |
| Assessments | #c-monitor | /assessments | Published | 0 |
| Evidence | #c-evidence | /evidence | Published | 10 |
- corroboratedTwo or more independent sources agree
- source_reportedOne cited source states it
- alpha_inferenceAlpha's conclusion, with reasoning
- not_disclosedSearched, nothing found. Never rendered as false
- not_reviewedNot yet searched
- not_registeredNo authority registered with Alpha



