# William B. Plummer

> 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 Unknown, unavailable, and unpublished values are never inferred as zero.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:william-b-plummer |
| Entity type | Person |
| Canonical URL | https://registry.alpha.ac/people/william-b-plummer |
| Publication | PUBLISHED |
| Verification | corroborated |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 12 |
| Claims under review | 0 |
| Evidence records | 8 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-16T15:23:12.800652+00:00 |
| Last reviewed | 2026-05-16T04:35:46.883+00:00 |

## Identity

- Legal name: William B. Plummer
- Display name: William B. Plummer

## Alpha Governance Record

| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-0:d751713988987e9331980363e24189ce |
| As of | 2026-10-16T15:23:13.174999+00:00 |
| Completeness | 1 |
| Record Quality | 0.943 |
| Directors | 0 |
| Committees | 0 |
| Governance events | 2 |
| 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: William B. Plummer seat on Waste Management, effective 2019-01-01. Effective: 2019-01-01. Detected: 2026-05-16T04:35:46.883+00:00. event_id=alpha:event:transition:1xq8ytsm50pi
- DIRECTOR_APPOINTED: William B. Plummer seat on Global Payments, effective 2017-01-01. Effective: 2017-01-01. Detected: 2026-05-16T04:35:46.883+00:00. event_id=alpha:event:transition:4f0lab1s3u4eb

## Scoped resources

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

## Role modules

- Director

## Attention

- NO_RECORDS_FOUND

## Committee data

- NO_RECORDS_FOUND

## Leadership

- PUBLISHED

## Roles

- Independent Director at Waste Management. Claim: alpha:claim:person:william-b-plummer:role:1. Valid from: 2019-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:cb9da638bcb15193986117581f6c9e419b2414bce733d24d0b85284b22090ccd.
- Independent Director at Global Payments. Claim: alpha:claim:person:william-b-plummer:role:2. Valid from: 2017-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:5314d355d2d2ae3599e66afebed57859691102b0d2aa4f3d24e722d9848d12c1.

## Governance

- PUBLISHED

## Board committees

- PUBLISHED

## AI and ML experience

- AI and ML experience: not identified in the cited filing. Claim: alpha:claim:person:william-b-plummer:ai_ml_experience:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:6d8f809bcf90c4439ea074d6e53864c68bcce0c7436ba4d038e29449970c097d.

## Board independence

- Independent director. Claim: alpha:claim:person:william-b-plummer:board_independence:2. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:9f5e42dd9ef82ab36e0e4a62a3da3a3786dbd218ef0002dc75325851fdb57e63, alpha:projection-evidence:document:ac068f201cd362bb37b1f0ed628d1ad2582758e4c586ed7692a00b8f2c908cf4.

## Board membership

- Serves on the board of Global Payments Inc.. Claim: alpha:claim:person:william-b-plummer:board_membership:3. Valid from: 2019-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:ac068f201cd362bb37b1f0ed628d1ad2582758e4c586ed7692a00b8f2c908cf4, alpha:projection-evidence:386dfe4613207d5fcb74887f57a2211982e155e3f601f34864e465db685892f7, alpha:projection-evidence:document:9f5e42dd9ef82ab36e0e4a62a3da3a3786dbd218ef0002dc75325851fdb57e63.
- Serves on the board of Waste Management, Inc.. Claim: alpha:claim:person:william-b-plummer:board_membership:4. Valid from: 2019-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:9f5e42dd9ef82ab36e0e4a62a3da3a3786dbd218ef0002dc75325851fdb57e63, alpha:projection-evidence:97a2c3fd35bb38c24c9062b8314f1027aa18e75509030bd0d135bba8bf73be4b.

## Board role

- Board role: Director. Claim: alpha:claim:person:william-b-plummer:board_role:5. Valid from: 2026-03-17. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:6d8f809bcf90c4439ea074d6e53864c68bcce0c7436ba4d038e29449970c097d, alpha:projection-evidence:document:70f32ba96fa278f5ac82b85ebd8a3fa5984ad6276825c4f22b446a725ec93d4d.

## Committee assignments

- No committee assignment disclosed in the cited filing. Claim: alpha:claim:person:william-b-plummer:committee_assignments:6. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:9f5e42dd9ef82ab36e0e4a62a3da3a3786dbd218ef0002dc75325851fdb57e63.
- Committee assignments: Audit. Claim: alpha:claim:person:william-b-plummer:committee_assignments:7. Valid from: 2026-03-17. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:70f32ba96fa278f5ac82b85ebd8a3fa5984ad6276825c4f22b446a725ec93d4d.
- Committee assignments: Audit, Management Development and Compensation. Claim: alpha:claim:person:william-b-plummer:committee_assignments:8. Valid from: 2026-03-31. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:6d8f809bcf90c4439ea074d6e53864c68bcce0c7436ba4d038e29449970c097d.

## Cybersecurity experience

- Cybersecurity experience: not identified in the cited filing. Claim: alpha:claim:person:william-b-plummer:cybersecurity_experience:9. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:6d8f809bcf90c4439ea074d6e53864c68bcce0c7436ba4d038e29449970c097d.

## Technology background

- Technology background: not identified in the cited filing. Claim: alpha:claim:person:william-b-plummer:technology_background:10. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:6d8f809bcf90c4439ea074d6e53864c68bcce0c7436ba4d038e29449970c097d.

## 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:6d8f809bcf90c4439ea074d6e53864c68bcce0c7436ba4d038e29449970c097d: [WM DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/823768/000110465926037381/tm261369-1_def14a.htm).
- alpha:projection-evidence:document:cb9da638bcb15193986117581f6c9e419b2414bce733d24d0b85284b22090ccd: [sec_proxy](https://www.sec.gov/Archives/edgar/data/823768/000110465926037381/tm261369-1_def14a.htm).
- alpha:projection-evidence:document:ac068f201cd362bb37b1f0ed628d1ad2582758e4c586ed7692a00b8f2c908cf4: [Global Payments Inc. director board source](https://www.sec.gov/Archives/edgar/data/1123360/000110465926029453/tm261348-1_def14a.htm).
- alpha:projection-evidence:document:70f32ba96fa278f5ac82b85ebd8a3fa5984ad6276825c4f22b446a725ec93d4d: [GPN DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/1123360/000110465926029453/tm261348-1_def14a.htm).
- alpha:projection-evidence:document:5314d355d2d2ae3599e66afebed57859691102b0d2aa4f3d24e722d9848d12c1: [sec_proxy](https://www.sec.gov/Archives/edgar/data/1123360/000110465926029453/tm261348-1_def14a.htm).
- alpha:projection-evidence:document:9f5e42dd9ef82ab36e0e4a62a3da3a3786dbd218ef0002dc75325851fdb57e63: [Waste Management, Inc. director board source](https://www.sec.gov/Archives/edgar/data/823768/000110465925030318/tm251991-2_def14a.htm).
- alpha:projection-evidence:97a2c3fd35bb38c24c9062b8314f1027aa18e75509030bd0d135bba8bf73be4b: [public_source](https://www.sec.gov/Archives/edgar/data/823768/000110465926037381/tm261369-1_def14a.htm).
- alpha:projection-evidence:386dfe4613207d5fcb74887f57a2211982e155e3f601f34864e465db685892f7: [public_source](https://www.sec.gov/Archives/edgar/data/1123360/000110465926029453/tm261348-1_def14a.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/william-b-plummer)
- [Public Markdown](https://registry.alpha.ac/people/william-b-plummer.md)
- [Public JSON](https://registry.alpha.ac/api/public/profiles/william-b-plummer?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/profiles/william-b-plummer?format=jsonld)
- MCP resource: `alpha://people/william-b-plummer` 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.