# Joanna R. Williamson

> Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.

## Record

| Field | Value |
| --- | --- |
| Representation | alpha-profile-markdown-v3 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-0 |
| Canonical entity | alpha:person:jim-williamson |
| Entity type | Person |
| Canonical URL | https://registry.alpha.ac/people/jim-williamson |
| Publication | PUBLISHED |
| Verification | corroborated |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 15 |
| Claims under review | 0 |
| Evidence records | 4 |
| Conflicts | 0 |
| Conflicts in internal review | 1 |
| Observed | 2026-09-02T23:34:54.613628+00:00 |
| Last reviewed | 2026-05-16T00:11:48.964+00:00 |

## Identity

- Legal name: Joanna R. Williamson
- Display name: Joanna R. Williamson

## Leadership

- NOT_ASSERTED

## Roles

- NOT_ASSERTED

## Governance

- PUBLISHED

## Board committees

- NOT_ASSERTED

## AI and ML experience

- AI and ML experience: not identified in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3, alpha:evidence:person:jim-williamson:1.

## Board independence

- Not independent (executive director). Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:4.

## Board membership

- Serves on the board of Everest Group, Ltd.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:4.

## Board role

- Board role: Director. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3.

## Committee assignments

- Committee assignments: Investment Policy, Risk, Executive, Technology. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3.

## Cybersecurity experience

- Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3, alpha:evidence:person:jim-williamson:1.

## Executive company

- Executive at Arq, Inc.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:2.
- Executive at CHAIN BRIDGE BANCORP INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:1.
- Executive at Everest Group, Ltd.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3.

## Executive title

- Executive title: Executive Vice President, Chief Financial Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:1.
- Executive title: Former Chief Operating Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:2.
- Executive title: President and Chief Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3.

## Other Company Role

- Joanna R. Williamson is also linked to Chain Bridge Bank, N.A. as Executive Vice President, Chief Financial Officer.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:1.

## Technology background

- Technology background: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:1.
- Technology background reported in filings. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3.

## Coverage states

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

## Public sources

- alpha:evidence:person:jim-williamson:1: [CBNA DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1392272/000162828026027880/chnbrdg-20260428.htm).
- alpha:evidence:person:jim-williamson:2: [ARQ DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1515156/000151515626000052/ades-20260428.htm).
- alpha:evidence:person:jim-williamson:3: [EG DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/1095073/000109507325000035/eg-20250411.htm).
- alpha:evidence:person:jim-williamson:4: [Everest Group, Ltd. director board source](https://www.sec.gov/Archives/edgar/data/1095073/000109507325000035/eg-20250411.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/jim-williamson)
- [Public Markdown](https://registry.alpha.ac/people/jim-williamson.md)
- [Public JSON](https://registry.alpha.ac/api/public/profiles/jim-williamson)
- [JSON-LD](https://registry.alpha.ac/api/public/profiles/jim-williamson?format=jsonld)
- MCP resource: `alpha://people/jim-williamson` at https://mcp.alpha.ac/mcp