# 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 Unknown, unavailable, and unpublished values are never inferred as zero.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 | 19 | | Claims under review | 0 | | Evidence records | 9 | | Conflicts | 0 | | Conflicts in internal review | 1 | | Observed | 2026-09-16T10:58:20.607919+00:00 | | Last reviewed | 2026-09-06T02:56:39.13138+00:00 | ## Identity - Legal name: Joanna R. Williamson - Display name: Joanna R. Williamson ## Leadership - PUBLISHED ## Roles - Director at CHAIN BRIDGE BANCORP INC. Valid from: 2026-04-28. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:3. - Director at Everest Group. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:5. - Executive Vice President, Chief Financial Officer at CHAIN BRIDGE BANCORP INC. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:4. ## Governance - PUBLISHED ## Board committees - PUBLISHED ## 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:6, 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:7. ## Board membership - Serves on the board of CHAIN BRIDGE BANCORP INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:8. - Serves on the board of Everest Group, Ltd.. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:7, alpha:evidence:person:jim-williamson:9. ## Board role - Board role: Director. Valid from: 2025-04-11. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:6. ## Committee assignments - Committee assignments: Investment Policy, Risk, Executive, Technology. Valid from: 2025-04-11. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:6. ## Cybersecurity experience - Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:6, alpha:evidence:person:jim-williamson:1. ## Executive company - Executive at Arq, Inc.. Valid from: 2026-04-28. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:2. - Executive at CHAIN BRIDGE BANCORP INC. Valid from: 2026-04-28. Valid to: NOT_ASSERTED. 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:6. ## Executive title - Executive title: Executive Vice President, Chief Financial Officer. Valid from: 2026-04-28. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:jim-williamson:1. - Executive title: Former Chief Operating Officer. Valid from: 2026-04-28. Valid to: NOT_ASSERTED. 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:6. ## 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:6. ## 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: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: [sec_proxy](https://www.sec.gov/Archives/edgar/data/1392272/000162828026027880/chnbrdg-20260428.htm). - alpha:evidence:person:jim-williamson:4: [sec_def_14a](https://www.sec.gov/Archives/edgar/data/1392272/000162828026027880/chnbrdg-20260428.htm). - alpha:evidence:person:jim-williamson:5: [sec_proxy](https://www.sec.gov/Archives/edgar/data/1095073/000162828026024596/eg-20260406.htm). - alpha:evidence:person:jim-williamson:6: [EG DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/1095073/000109507325000035/eg-20250411.htm). - alpha:evidence:person:jim-williamson:7: [Everest Group, Ltd. director board source](https://www.sec.gov/Archives/edgar/data/1095073/000109507325000035/eg-20250411.htm). - alpha:evidence:person:jim-williamson:8: [public_source](https://www.sec.gov/Archives/edgar/data/1392272/000162828026027880/chnbrdg-20260428.htm). - alpha:evidence:person:jim-williamson:9: [public_source](https://www.sec.gov/Archives/edgar/data/1095073/000162828026024596/eg-20260406.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