Agent View

Machine representations

Inspect the same governed public record as Markdown, structured data, or a retrieval endpoint.

Canonical entity
alpha:person:mark-walker
Schema
alpha.governance.entity.public.v1
Last reviewed
2026-05-15T23:18:15.132+00:00
Verification
source_reported
Ownership
unclaimed

Markdown

https://registry.alpha.ac/people/mark-walker.md
Open Markdown

Mark Walker

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 Unknown, unavailable, and unpublished values are never inferred as zero.

Record

FieldValue
Representationalpha-profile-markdown-v3
ProtocolAlpha Governance Facts Protocol 0.1
Schemaalpha.governance.entity.public.v1
Record versionpublic-0
Canonical entityalpha:person:mark-walker
Entity typePerson
Canonical URLhttps://registry.alpha.ac/people/mark-walker
PublicationPUBLISHED
Verificationsource_reported
Verification schemaalpha-verification-states-v1
Ownershipunclaimed
Published claims9
Claims under review0
Evidence records3
Conflicts0
Conflicts in internal review0
Observed2026-09-25T03:58:16.316424+00:00
Last reviewed2026-05-15T23:18:15.132+00:00

Identity

  • Legal name: Mark Walker
  • Display name: Mark Walker

Leadership

  • PUBLISHED

Roles

  • Director at Direct Digital Holdings, Inc.. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:2.

Governance

  • PUBLISHED

Board committees

  • PUBLISHED

AI and ML experience

  • AI and ML experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Board membership

  • Serves on the board of Direct Digital Holdings, Inc.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:3.

Board role

  • Board role: Chair. Valid from: 2025-12-15. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Committee assignments

  • No committee assignment disclosed in the cited filing. Valid from: 2025-12-15. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Cybersecurity experience

  • Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Executive company

  • Executive at Direct Digital Holdings, Inc.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Executive title

  • Executive title: Chairman and Chief Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Technology background

  • Technology background: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:mark-walker:1.

Coverage states

FieldValue
IdentityPUBLISHED
BusinessNOT_APPLICABLE
LeadershipPUBLISHED
Board and committeesPUBLISHED
GovernancePUBLISHED
FinancialsNOT_APPLICABLE
WorkforceNOT_APPLICABLE
OwnershipNOT_APPLICABLE
RatingsNOT_PUBLISHED
Market and index contextNOT_APPLICABLE

Public sources

Rights

FieldValue
public_retrievalallowed
agent_retrievalallowed
redistributionnot_granted
model_trainingnot_granted
commercial_usenot_specified
relationship_pathfindingnot_granted
direct_contactnot_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

Connected governance records

Structured intelligence is not currently available. Existing published profile evidence remains accessible.