# Kathryn Eberle Walker > 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 Unknown, unavailable, and unpublished values are never inferred as zero.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:kathryn-a-walker | | Entity type | Person | | Canonical URL | https://registry.alpha.ac/people/kathryn-a-walker | | Publication | PUBLISHED | | Verification | corroborated | | Verification schema | alpha-verification-states-v1 | | Ownership | unclaimed | | Published claims | 12 | | Claims under review | 0 | | Evidence records | 4 | | Conflicts | 0 | | Conflicts in internal review | 1 | | Observed | 2026-10-17T15:28:19.490713+00:00 | | Last reviewed | 2026-05-16T03:55:34.922+00:00 | ## Identity - Legal name: Kathryn Eberle Walker - Display name: Kathryn Eberle Walker ## Alpha Governance Record | Field | Value | | --- | --- | | Governance Record schema | alpha-governance-record-v2 | | Ontology | alpha-governance-ontology-v1 | | Record version | public-0:d751713988987e9331980363e24189ce | | As of | 2026-10-17T15:28:19.899045+00:00 | | Completeness | 1 | | Record Quality | 0.939 | | 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: Kathryn Eberle Walker seat on ADTRAN Holdings, Inc., effective 2014-01-01. Effective: 2014-01-01. Detected: 2026-05-16T03:55:34.922+00:00. event_id=alpha:event:transition:145fx2s1oz7jv4 ## Scoped resources - `alpha://person/kathryn-a-walker` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record - `alpha://person/kathryn-a-walker/identity` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=identity - `alpha://person/kathryn-a-walker/corporate-structure` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=corporate-structure - `alpha://person/kathryn-a-walker/board` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=board - `alpha://person/kathryn-a-walker/committees` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=committees - `alpha://person/kathryn-a-walker/leadership` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=leadership - `alpha://person/kathryn-a-walker/ownership` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=ownership - `alpha://person/kathryn-a-walker/financials` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=financials - `alpha://person/kathryn-a-walker/capital-structure` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=capital-structure - `alpha://person/kathryn-a-walker/compensation` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=compensation - `alpha://person/kathryn-a-walker/governance` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=governance - `alpha://person/kathryn-a-walker/shareholder-governance` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=shareholder-governance - `alpha://person/kathryn-a-walker/audit` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=audit - `alpha://person/kathryn-a-walker/legal` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=legal - `alpha://person/kathryn-a-walker/risk` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=risk - `alpha://person/kathryn-a-walker/cyber` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=cyber - `alpha://person/kathryn-a-walker/ai-governance` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=ai-governance - `alpha://person/kathryn-a-walker/agents` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=agents - `alpha://person/kathryn-a-walker/ecosystem` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=ecosystem - `alpha://person/kathryn-a-walker/events` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=events - `alpha://person/kathryn-a-walker/relationships` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=relationships - `alpha://person/kathryn-a-walker/assessments` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=assessments - `alpha://person/kathryn-a-walker/evidence` (contract): https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record§ion=evidence ## Role modules - Director ## Attention - NO_RECORDS_FOUND ## Committee data - NO_RECORDS_FOUND ## Leadership - PUBLISHED ## Roles - Director at ADTRAN Holdings, Inc.. Claim: alpha:claim:person:kathryn-a-walker:role:1. Valid from: 2014-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:e5e87ac4dbc69e82710228620f860500d4554f9325afd94e212d95c64c14f01a. ## Governance - PUBLISHED ## Board committees - PUBLISHED ## AI and ML experience - AI and ML experience: not identified in the cited filing. Claim: alpha:claim:person:kathryn-a-walker:ai_ml_experience:1. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc, alpha:projection-evidence:document:46f249fe7ec8d330a9d2e88fdc3119f15df7a85c78a7ca1c4935d62426f690fa. ## Board membership - Serves on the board of ADTRAN Holdings, Inc.. Claim: alpha:claim:person:kathryn-a-walker:board_membership:2. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:7f15618667e224c64d46d17f4cb1e076ac9c2f6fe86ba5b347e5edc376332dd6. ## Board role - Board role: Director. Claim: alpha:claim:person:kathryn-a-walker:board_role:3. Valid from: 2026-03-27. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc. ## Committee assignments - Committee assignments: Nominating/Governance, Sustainability. Claim: alpha:claim:person:kathryn-a-walker:committee_assignments:4. Valid from: 2026-03-27. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc. ## Cybersecurity experience - Cybersecurity experience: not identified in the cited filing. Claim: alpha:claim:person:kathryn-a-walker:cybersecurity_experience:5. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc, alpha:projection-evidence:document:46f249fe7ec8d330a9d2e88fdc3119f15df7a85c78a7ca1c4935d62426f690fa. ## Executive company - Executive at IMMERSION CORP. Claim: alpha:claim:person:kathryn-a-walker:executive_company:6. Valid from: 2026-03-12. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:46f249fe7ec8d330a9d2e88fdc3119f15df7a85c78a7ca1c4935d62426f690fa. - Executive at OpenAir Equity Partners. Claim: alpha:claim:person:kathryn-a-walker:executive_company:7. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc. ## Executive title - Executive title: Board Member. Claim: alpha:claim:person:kathryn-a-walker:executive_title:8. Valid from: 2026-03-12. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:46f249fe7ec8d330a9d2e88fdc3119f15df7a85c78a7ca1c4935d62426f690fa. - Executive title: Managing Director. Claim: alpha:claim:person:kathryn-a-walker:executive_title:9. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc. ## Technology background - Technology background: not identified in the cited filing. Claim: alpha:claim:person:kathryn-a-walker:technology_background:10. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:projection-evidence:document:46f249fe7ec8d330a9d2e88fdc3119f15df7a85c78a7ca1c4935d62426f690fa. - Technology background reported in filings. Claim: alpha:claim:person:kathryn-a-walker:technology_background:11. Publication: PUBLISHED. Verification: source_reported. Review: internal_review. Assertion: source_reported. Evidence: alpha:projection-evidence:document:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc. ## 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:1f04e70ccbb172fb9d3ac6246d3a47e23b32f22f5792e9dac0202d5527766cdc: [ADTN DEF 14A director slate](https://www.sec.gov/Archives/edgar/data/926282/000119312526127315/adtn-20260327.htm). - alpha:projection-evidence:document:e5e87ac4dbc69e82710228620f860500d4554f9325afd94e212d95c64c14f01a: [sec_proxy](https://www.sec.gov/Archives/edgar/data/926282/000119312526127315/adtn-20260327.htm). - alpha:projection-evidence:document:46f249fe7ec8d330a9d2e88fdc3119f15df7a85c78a7ca1c4935d62426f690fa: [IMMR 10-K executive officers](https://www.sec.gov/Archives/edgar/data/1058811/000119312526102681/immr-20250430.htm). - alpha:projection-evidence:7f15618667e224c64d46d17f4cb1e076ac9c2f6fe86ba5b347e5edc376332dd6: [public_source](https://www.sec.gov/Archives/edgar/data/926282/000119312526127315/adtn-20260327.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/kathryn-a-walker) - [Public Markdown](https://registry.alpha.ac/people/kathryn-a-walker.md) - [Public JSON](https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=record) - [JSON-LD](https://registry.alpha.ac/api/public/profiles/kathryn-a-walker?format=jsonld) - MCP resource: `alpha://people/kathryn-a-walker` 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.