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Public information reviewed

Derek J. Maetzold

Role

President and Chief Executive Officer at CASTLE BIOSCIENCES INC (NASDAQ: CSTL)

Board role

President, Chief Executive Officer and Director · CASTLE BIOSCIENCES INC (NASDAQ: CSTL)

Board role

Director · CASTLE BIOSCIENCES INC (NASDAQ: CSTL)

CASTLE BIOSCIENCES INC (NASDAQ: CSTL)

Director · Current mandate

Executive · Ceo · Enterprise Leadership
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Reports & analysisAlpha Eval
Public sources
4 reviewed
Profile ownership
Not yet claimed
Last reviewed
Sep 6, 2026
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Agent View

Machine representations

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

Canonical entity
alpha:person:derek-j-maetzold-cstl
Schema
alpha.governance.entity.public.v1
Last reviewed
2026-09-06T04:27:48.847897+00:00
Verification
corroborated
Ownership
unclaimed

Markdown

https://registry.alpha.ac/people/derek-j-maetzold-cstl.md
Open Markdown

Derek J. Maetzold

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 Unknown, unavailable, and unpublished values are never inferred as zero.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:derek-j-maetzold-cstl
Entity typePerson
Canonical URLhttps://registry.alpha.ac/people/derek-j-maetzold-cstl
PublicationPUBLISHED
Verificationcorroborated
Verification schemaalpha-verification-states-v1
Ownershipunclaimed
Published claims15
Claims under review0
Evidence records4
Conflicts0
Conflicts in internal review0
Observed2026-09-10T23:53:59.517683+00:00
Last reviewed2026-09-06T04:27:48.847897+00:00

Identity

  • Legal name: Derek J. Maetzold
  • Display name: Derek J. Maetzold

Leadership

  • PUBLISHED

Roles

  • President and Chief Executive Officer at CASTLE BIOSCIENCES INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:3.
  • President, Chief Executive Officer and Director at CASTLE BIOSCIENCES INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:3.
  • Pres. & Chief Exec. Officer at CASTLE BIOSCIENCES INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:1.
  • Director at CASTLE BIOSCIENCES INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:1.

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:derek-j-maetzold-cstl:2.

AI expertise

  • AI expertise reported in filings. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:4.

AI governance relevance

  • AI governance relevance reported from role and filings. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:4.

Board membership

  • Serves on the board of CASTLE BIOSCIENCES INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:3.

Cybersecurity experience

  • Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:2.

Executive company

  • Executive at CASTLE BIOSCIENCES INC. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:2, alpha:evidence:person:derek-j-maetzold-cstl:4.

Executive function

  • Enterprise Leadership (CEO). Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:4.

Executive title

  • Executive title: Pres. & Chief Exec. Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:1.
  • Executive title: President and Chief Executive Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:3.
  • Executive title: President, CEO and Director. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:2, alpha:evidence:person:derek-j-maetzold-cstl:4.

Technology background

  • Technology background: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:derek-j-maetzold-cstl:2.

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