# Russell C. Horowitz

> 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 Unknown, unavailable, and unpublished values are never inferred as zero.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:russell-horowitz |
| Entity type | Person |
| Canonical URL | https://registry.alpha.ac/people/russell-horowitz |
| Publication | PUBLISHED |
| Verification | corroborated |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 14 |
| Claims under review | 0 |
| Evidence records | 6 |
| Conflicts | 0 |
| Conflicts in internal review | 1 |
| Observed | 2026-10-22T02:47:44.696677+00:00 |
| Last reviewed | 2026-05-16T05:13:00.99+00:00 |

## Identity

- Legal name: Russell C. Horowitz
- Display name: Russell C. Horowitz

## Alpha Governance Record

| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-0:d751713988987e9331980363e24189ce |
| As of | 2026-10-22T02:47:44.9309+00:00 |
| Completeness | 1 |
| Record Quality | 0.944 |
| 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: Russell C. Horowitz seat on MARCHEX INC, effective 2017-01-01. Effective: 2017-01-01. Detected: 2026-05-16T05:13:00.99+00:00. event_id=alpha:event:transition:1d0315j15q3uhf

## Scoped resources

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

## Role modules

- Director

## Attention

- NO_RECORDS_FOUND

## Committee data

- NO_RECORDS_FOUND

## Leadership

- PUBLISHED

## Roles

- Director at MARCHEX INC. Claim: alpha:claim:person:russell-horowitz:role:1. Valid from: 2017-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:939285deaa88525be627bb501e35d96216adbd0475c6871eb35987dce2df762d.

## Governance

- PUBLISHED

## Board committees

- PUBLISHED

## AI and ML experience

- AI and ML experience: not identified in the cited filing. Claim: alpha:claim:person:russell-horowitz:ai_ml_experience:1. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75, alpha:projection-evidence:document:f0d8d9f4171f0f7c50cbe395dc95a8f1889dd7da22c63d0108395ea49f35b2ad.

## Board membership

- Serves on the board of MARCHEX INC. Claim: alpha:claim:person:russell-horowitz:board_membership:2. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:9d4f741c06dd51cc6998362e9bf53b9361b756d563ca88c3b05e82e3091c23a3.

## Board role

- Board role: Chair. Claim: alpha:claim:person:russell-horowitz:board_role:3. Valid from: 2025-11-04. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75.

## Committee assignments

- No committee assignment disclosed in the cited filing. Claim: alpha:claim:person:russell-horowitz:committee_assignments:4. Valid from: 2025-11-04. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75.

## Cybersecurity experience

- Cybersecurity experience: not identified in the cited filing. Claim: alpha:claim:person:russell-horowitz:cybersecurity_experience:5. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75, alpha:projection-evidence:document:f0d8d9f4171f0f7c50cbe395dc95a8f1889dd7da22c63d0108395ea49f35b2ad.

## Executive company

- Executive at GigCapital7 Corp.. Claim: alpha:claim:person:russell-horowitz:executive_company:6. Valid from: 2026-03-06. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:8967699db7c10ac259bc4408e307c990ef276f070cbb69a4d702a366d2de9f0a.
- Executive at GigCapital8 Corp.. Claim: alpha:claim:person:russell-horowitz:executive_company:7. Valid from: 2026-03-31. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:385306c84bdddd130d749f7b633a484147e1f98d30b212aefcecc153665a85c2.
- Executive at Marchex, Inc.. Claim: alpha:claim:person:russell-horowitz:executive_company:8. Valid from: 2026-03-26. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75, alpha:projection-evidence:document:f0d8d9f4171f0f7c50cbe395dc95a8f1889dd7da22c63d0108395ea49f35b2ad.

## Executive title

- Executive title: Chairman. Claim: alpha:claim:person:russell-horowitz:executive_title:9. Valid from: 2026-03-26. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75, alpha:projection-evidence:document:f0d8d9f4171f0f7c50cbe395dc95a8f1889dd7da22c63d0108395ea49f35b2ad.
- Executive title: Director. Claim: alpha:claim:person:russell-horowitz:executive_title:10. Valid from: 2026-03-06. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:385306c84bdddd130d749f7b633a484147e1f98d30b212aefcecc153665a85c2, alpha:projection-evidence:document:8967699db7c10ac259bc4408e307c990ef276f070cbb69a4d702a366d2de9f0a.

## Other Company Role

- Raanan I. Horowitz is also linked to GIG7 (Nasdaq: GIG), Institute for Defense Analysis, DFW International Airport, Parry Labs as Board Member.. Claim: alpha:claim:person:russell-horowitz:other_company_role:11. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:385306c84bdddd130d749f7b633a484147e1f98d30b212aefcecc153665a85c2.

## Technology background

- Technology background: not identified in the cited filing. Claim: alpha:claim:person:russell-horowitz:technology_background:12. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:projection-evidence:document:f0d8d9f4171f0f7c50cbe395dc95a8f1889dd7da22c63d0108395ea49f35b2ad.
- Technology background reported in filings. Claim: alpha:claim:person:russell-horowitz:technology_background:13. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75.

## 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:385306c84bdddd130d749f7b633a484147e1f98d30b212aefcecc153665a85c2: [GIW 10-K executive officers](https://www.sec.gov/Archives/edgar/data/2080019/000119312526134564/giwwu-20251231.htm).
- alpha:projection-evidence:document:f0d8d9f4171f0f7c50cbe395dc95a8f1889dd7da22c63d0108395ea49f35b2ad: [MCHX 10-K executive officers](https://www.sec.gov/Archives/edgar/data/1224133/000119312526125205/mchx-20251231.htm).
- alpha:projection-evidence:document:8967699db7c10ac259bc4408e307c990ef276f070cbb69a4d702a366d2de9f0a: [GIG 10-K executive officers](https://www.sec.gov/Archives/edgar/data/2023730/000119312526096526/ck0002023730-20251231.htm).
- alpha:projection-evidence:document:c11ac837cd4d4b8dd81b4948edf076b9fb60236afcc7d95efc193c2b08659b75: [MCHX DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/1224133/000119312525264721/2025_proxy_statement.htm).
- alpha:projection-evidence:document:939285deaa88525be627bb501e35d96216adbd0475c6871eb35987dce2df762d: [sec_proxy](https://www.sec.gov/Archives/edgar/data/1224133/000119312525264721/2025_proxy_statement.htm).
- alpha:projection-evidence:9d4f741c06dd51cc6998362e9bf53b9361b756d563ca88c3b05e82e3091c23a3: [public_source](https://www.sec.gov/Archives/edgar/data/1224133/000119312525264721/2025_proxy_statement.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/russell-horowitz)
- [Public Markdown](https://registry.alpha.ac/people/russell-horowitz.md)
- [Public JSON](https://registry.alpha.ac/api/public/profiles/russell-horowitz?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/profiles/russell-horowitz?format=jsonld)
- MCP resource: `alpha://people/russell-horowitz` 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.