# Gary M. Reiner > 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 Unknown, unavailable, and unpublished values are never inferred as zero.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:gary-m-reiner | | Entity type | Person | | Canonical URL | https://registry.alpha.ac/people/gary-m-reiner | | Publication | PUBLISHED | | Verification | corroborated | | Verification schema | alpha-verification-states-v1 | | Ownership | unclaimed | | Published claims | 20 | | Claims under review | 0 | | Evidence records | 10 | | Conflicts | 0 | | Conflicts in internal review | 2 | | Observed | 2026-09-12T11:30:21.216123+00:00 | | Last reviewed | 2026-05-16T00:04:33.013+00:00 | ## Identity - Legal name: Gary M. Reiner - Display name: Gary M. Reiner ## Leadership - PUBLISHED ## Roles - Director at Citigroup. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:9. - Director at Hewlett Packard Enterprise. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:7. ## Governance - PUBLISHED ## Board committees - PUBLISHED ## AI and ML experience - AI and ML experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:8. - AI and machine learning experience reported in filings. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:1. ## AI expertise - AI expertise reported in filings. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:10. ## AI governance relevance - AI governance relevance reported from role and filings. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:10. ## Board independence - Independent director. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:2, alpha:evidence:person:gary-m-reiner:5. ## Board membership - Serves on the board of Citigroup. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:2. - Serves on the board of Hewlett Packard Enterprise Company. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:5, alpha:evidence:person:gary-m-reiner:2. ## Board role - Board role: Director. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:6, alpha:evidence:person:gary-m-reiner:8. ## Committee assignments - No committee assignment disclosed in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:6, alpha:evidence:person:gary-m-reiner:2. - Committee assignments: Compensation, Performance Management and Culture, Nomination, Governance and Public Affairs, Technology. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:8. ## Cybersecurity experience - Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:8. - Cybersecurity experience reported in filings. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:1. ## Executive company - Executive at Citigroup. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:3, alpha:evidence:person:gary-m-reiner:4, alpha:evidence:person:gary-m-reiner:1, alpha:evidence:person:gary-m-reiner:10. ## Executive function - Other Executive (OTHER_EXECUTIVE). Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:10. ## Executive title - Executive title: Director of Citigroup. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:4, alpha:evidence:person:gary-m-reiner:1. - Executive title: Former Operating Partner, General Atlantic LLC. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:3, alpha:evidence:person:gary-m-reiner:10. ## Other Company Role - Gary M. Reiner is also linked to Hewlett Packard Enterprise Company as Director.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:1. ## Technology background - Technology background reported in filings. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:gary-m-reiner:1, alpha:evidence:person:gary-m-reiner:8. ## 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:gary-m-reiner:1: [C-PR DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/831001/000120677426000185/citi4583461-def14a.htm). - alpha:evidence:person:gary-m-reiner:2: [Citigroup director board source](https://www.sec.gov/Archives/edgar/data/831001/000120677426000185/citi4583461-def14a.htm). - alpha:evidence:person:gary-m-reiner:3: [C DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/831001/000120677426000185/citi4583461-def14a.htm). - alpha:evidence:person:gary-m-reiner:4: [C-PN DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/831001/000120677426000185/citi4583461-def14a.htm). - alpha:evidence:person:gary-m-reiner:5: [Hewlett Packard Enterprise Company director board source](https://www.sec.gov/Archives/edgar/data/1645590/000164559026000019/hpe-20260210.htm). - alpha:evidence:person:gary-m-reiner:6: [HPE DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/1645590/000164559026000019/hpe-20260210.htm). - alpha:evidence:person:gary-m-reiner:7: [sec_filing](https://www.sec.gov/Archives/edgar/data/1645590/000164559026000019/hpe-20260210.htm). - alpha:evidence:person:gary-m-reiner:8: [C DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/0000831001/000114544325000075/citi4405291-def14a.htm). - alpha:evidence:person:gary-m-reiner:9: [sec_filing](https://www.sec.gov/Archives/edgar/data/831001/000120677426000185/citi4583461-def14a.htm). - alpha:evidence:person:gary-m-reiner:10: C executive roster source. ## 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/gary-m-reiner) - [Public Markdown](https://registry.alpha.ac/people/gary-m-reiner.md) - [Public JSON](https://registry.alpha.ac/api/public/profiles/gary-m-reiner) - [JSON-LD](https://registry.alpha.ac/api/public/profiles/gary-m-reiner?format=jsonld) - MCP resource: `alpha://people/gary-m-reiner` at https://mcp.alpha.ac/mcp