# Alexander Cumbo

> 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 Unknown, unavailable, and unpublished values are never inferred as zero.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-0:d751713988987e9331980363e24189ce |
| Governance record representation | alpha-governance-record-v2 |
| Canonical entity | alpha:person:alexander-bo-cumbo |
| Entity type | Person |
| Canonical URL | https://registry.alpha.ac/people/alexander-bo-cumbo |
| Publication | PUBLISHED |
| Verification | corroborated |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 13 |
| Claims under review | 0 |
| Evidence records | 6 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-17T14:49:24.274658+00:00 |
| Last reviewed | 2026-09-12T19:08:33.781157+00:00 |

## Identity

- Legal name: Alexander Cumbo
- Display name: Alexander Cumbo

## Alpha Governance Record

| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-0:d751713988987e9331980363e24189ce |
| As of | 2026-10-17T14:49:24.550284+00:00 |
| Completeness | 1 |
| Record Quality | 0.911 |
| Directors | 0 |
| Committees | 0 |
| Governance events | 1 |
| Entity class | person |

## Section coverage

| Section | State |
| --- | --- |
| identity | PUBLISHED |
| corporate_structure | NOT_APPLICABLE |
| board | NOT_APPLICABLE |
| committees | NOT_APPLICABLE |
| leadership | NOT_APPLICABLE |
| ownership | NOT_APPLICABLE |
| financials | NOT_APPLICABLE |
| capital_structure | NOT_APPLICABLE |
| compensation | NOT_APPLICABLE |
| governance | NOT_APPLICABLE |
| shareholder_governance | NOT_APPLICABLE |
| audit | NOT_APPLICABLE |
| legal | NOT_APPLICABLE |
| risk | NOT_APPLICABLE |
| cyber | PUBLISHED |
| ai_governance | PUBLISHED |
| agent_governance | NOT_APPLICABLE |
| markets_external | NOT_APPLICABLE |
| events | PUBLISHED |
| relationships | PUBLISHED |
| assessments | PUBLISHED |
| evidence | PUBLISHED |

## Governance events

- DIRECTOR_APPOINTED: Alexander Cumbo seat on Climb Bio, Inc., effective 2025-01-01. Effective: 2025-01-01. Detected: 2026-09-12T19:08:33.781157+00:00. event_id=alpha:event:transition:973mpsaz2ecy

## Scoped resources

- `alpha://person/alexander-bo-cumbo` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record
- `alpha://person/alexander-bo-cumbo/identity` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=identity
- `alpha://person/alexander-bo-cumbo/corporate-structure` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=corporate-structure
- `alpha://person/alexander-bo-cumbo/board` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=board
- `alpha://person/alexander-bo-cumbo/committees` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=committees
- `alpha://person/alexander-bo-cumbo/leadership` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=leadership
- `alpha://person/alexander-bo-cumbo/ownership` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=ownership
- `alpha://person/alexander-bo-cumbo/financials` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=financials
- `alpha://person/alexander-bo-cumbo/capital-structure` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=capital-structure
- `alpha://person/alexander-bo-cumbo/compensation` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=compensation
- `alpha://person/alexander-bo-cumbo/governance` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=governance
- `alpha://person/alexander-bo-cumbo/shareholder-governance` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=shareholder-governance
- `alpha://person/alexander-bo-cumbo/audit` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=audit
- `alpha://person/alexander-bo-cumbo/legal` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=legal
- `alpha://person/alexander-bo-cumbo/risk` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=risk
- `alpha://person/alexander-bo-cumbo/cyber` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=cyber
- `alpha://person/alexander-bo-cumbo/ai-governance` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=ai-governance
- `alpha://person/alexander-bo-cumbo/agents` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=agents
- `alpha://person/alexander-bo-cumbo/ecosystem` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=ecosystem
- `alpha://person/alexander-bo-cumbo/events` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=events
- `alpha://person/alexander-bo-cumbo/relationships` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=relationships
- `alpha://person/alexander-bo-cumbo/assessments` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=assessments
- `alpha://person/alexander-bo-cumbo/evidence` (contract): https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record&section=evidence

## Role modules

- Executive
- Director

## Attention

- NO_RECORDS_FOUND

## Committee data

- NO_RECORDS_FOUND

## Leadership

- PUBLISHED

## Roles

- Director at Climb Bio, Inc.. Claim: alpha:claim:person:alexander-bo-cumbo:role:1. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2d494b0f45d41e9c136b2983404d1080b11f827549db24ba306cb8dde16caf16.
- President, Chief Executive Officer and Director at Solid Biosciences Inc.. Claim: alpha:claim:person:alexander-bo-cumbo:role:2. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:b61a35905006fa2eec8c86bc8f4ce6b3923a2ed065c533f6944513360b727824.
- President and Chief Executive Officer at Solid Biosciences Inc.. Claim: alpha:claim:person:alexander-bo-cumbo:role:3. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:b61a35905006fa2eec8c86bc8f4ce6b3923a2ed065c533f6944513360b727824.

## Governance

- PUBLISHED

## Board committees

- PUBLISHED

## AI and ML experience

- AI and ML experience: not identified in the cited filing. Claim: alpha:claim:person:alexander-bo-cumbo:ai_ml_experience:1. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c, alpha:projection-evidence:document:29a9f856aa155c5956fad9bd8c7896c719569ad9c88307d9af41737b570e0b7d.

## Board membership

- Serves on the board of Climb Bio, Inc.. Claim: alpha:claim:person:alexander-bo-cumbo:board_membership:2. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:c8e52e40704fd57d9148ff99e64fac85889564ec5684f0ee6a82d55c4017233d.
- Serves on the board of Solid Biosciences Inc.. Claim: alpha:claim:person:alexander-bo-cumbo:board_membership:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:7c0a198e671bf24227784ec12722414ec2babed3ef3307261e265a8893f50c83.

## Board role

- Board role: Director. Claim: alpha:claim:person:alexander-bo-cumbo:board_role:4. Valid from: 2026-04-24. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c.

## Committee assignments

- Committee assignments: Audit, Compensation. Claim: alpha:claim:person:alexander-bo-cumbo:committee_assignments:5. Valid from: 2026-04-24. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c.

## Cybersecurity experience

- Cybersecurity experience: not identified in the cited filing. Claim: alpha:claim:person:alexander-bo-cumbo:cybersecurity_experience:6. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c, alpha:projection-evidence:document:29a9f856aa155c5956fad9bd8c7896c719569ad9c88307d9af41737b570e0b7d.

## Executive company

- Executive at Solid Biosciences Inc.. Claim: alpha:claim:person:alexander-bo-cumbo:executive_company:7. Valid from: 2026-04-23. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c, alpha:projection-evidence:document:29a9f856aa155c5956fad9bd8c7896c719569ad9c88307d9af41737b570e0b7d.

## Executive title

- Executive title: President and Chief Executive Officer. Claim: alpha:claim:person:alexander-bo-cumbo:executive_title:8. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c, alpha:projection-evidence:document:b61a35905006fa2eec8c86bc8f4ce6b3923a2ed065c533f6944513360b727824.
- Executive title: President, Chief Executive Officer and Director. Claim: alpha:claim:person:alexander-bo-cumbo:executive_title:9. Valid from: 2026-04-23. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:29a9f856aa155c5956fad9bd8c7896c719569ad9c88307d9af41737b570e0b7d.

## Technology background

- Technology background: not identified in the cited filing. Claim: alpha:claim:person:alexander-bo-cumbo:technology_background:10. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c, alpha:projection-evidence:document:29a9f856aa155c5956fad9bd8c7896c719569ad9c88307d9af41737b570e0b7d.

## Coverage states

| Field | Value |
| --- | --- |
| Identity | PUBLISHED |
| Business | NOT_APPLICABLE |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | PUBLISHED |
| Financials | NOT_APPLICABLE |
| Workforce | NOT_APPLICABLE |
| Ownership | NOT_APPLICABLE |
| Ratings | NOT_PUBLISHED |
| Market and index context | NOT_APPLICABLE |

## Public sources

- alpha:projection-evidence:document:16b140692b18925ceeee22f6f267669ae10dd9bc64d5dcb08df5d3342492178c: [CLYM DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/1768446/000119312526177271/d78900ddef14a.htm).
- alpha:projection-evidence:document:2d494b0f45d41e9c136b2983404d1080b11f827549db24ba306cb8dde16caf16: [sec_proxy](https://www.sec.gov/Archives/edgar/data/1768446/000119312526177271/d78900ddef14a.htm).
- alpha:projection-evidence:document:29a9f856aa155c5956fad9bd8c7896c719569ad9c88307d9af41737b570e0b7d: [SLDB DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1707502/000119312526173642/sldb-20260422.htm).
- alpha:projection-evidence:document:b61a35905006fa2eec8c86bc8f4ce6b3923a2ed065c533f6944513360b727824: [sec_def_14a](https://www.sec.gov/Archives/edgar/data/1707502/000119312526173642/sldb-20260422.htm).
- alpha:projection-evidence:c8e52e40704fd57d9148ff99e64fac85889564ec5684f0ee6a82d55c4017233d: [public_source](https://www.sec.gov/Archives/edgar/data/1768446/000119312526177271/d78900ddef14a.htm).
- alpha:projection-evidence:7c0a198e671bf24227784ec12722414ec2babed3ef3307261e265a8893f50c83: [public_source](https://www.sec.gov/Archives/edgar/data/1707502/000119312526173642/sldb-20260422.htm).

## 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

- Only permissioned public claims and evidence are included.
- Absence of a claim is not evidence that the underlying fact is false.
- Public retrieval does not grant model-training or redistribution rights.
- Private relationships and Council activity are excluded.

## Alternate representations

- [Canonical profile](https://registry.alpha.ac/people/alexander-bo-cumbo)
- [Public Markdown](https://registry.alpha.ac/people/alexander-bo-cumbo.md)
- [Public JSON](https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/profiles/alexander-bo-cumbo?format=jsonld)
- MCP resource: `alpha://people/alexander-bo-cumbo` 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.