CASTLE BIOSCIENCES INC
Current- President, Chief Executive Officer and Director Current · dates not published
- Director Current · dates not published
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Derek J. Maetzold
President, Chief Executive Officer and Director at CASTLE BIOSCIENCES INC
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Alpha ID: alpha:person:derek-j-maetzold-cstlVersion: public-0:d751713988987e9331980363e24189ceAs of: 2026-10-06
Not yet claimed15 published Claims6 sources
- Executive
- Director
Leadership, in context.
Connect capital, control, accountability, and evidence.
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ResponsibilitiesInspect board appointments and committee mandates.ExperienceReview career history and qualifications in context.Economic interestsExamine disclosed incentives and ownership.Key Claims
- Professional RolePresident, Chief Executive Officer and Director at CASTLE BIOSCIENCES INCwww.sec.gov
- Professional RoleDirector at CASTLE BIOSCIENCES INCwww.sec.gov
- Board membershipServes on the board of CASTLE BIOSCIENCES INCwww.sec.gov +1 sources
- Professional RolePresident and Chief Executive Officer at CASTLE BIOSCIENCES INCwww.sec.gov
Biography
Derek J. Maetzold founded Castle Biosciences in September 2007 and has served as President and CEO and as a member of the board of directors since inception.
Alpha editorial summary written from the cited sources below. It does not change any Claim on this record.
Board service
Boards
Claims
Executive career
- Current · dates not publishedPresident and Chief Executive Officer · CASTLE BIOSCIENCES INC
- Current · dates not publishedPres. & Chief Exec. Officer · CASTLE BIOSCIENCES INC
- 2026 to end not publishedExecutive title: President, CEO and Director · Organization not publishedCSTL DEF 14A executive officers
- Dates not publishedExecutive title: Pres. & Chief Exec. Officer · Organization not published
- Dates not publishedExecutive title: President and Chief Executive Officer · Organization not published
Claims
Compensation
Compensation coverage
No published Claims are available in this section of the public record. This does not establish that the information is undisclosed or that no relevant facts exist.
Review evidence coverageConflicts and accountability
Alpha has not published independence, related-party, proceedings or disciplinary Claims for this record. This is not a finding that none exist.
Only disclosed facts and public registers appear here. Executive records carry no credit, personal litigation, background screening or underwriting views. None observed is not a clearance.
Evidence, history and coverage
Additional published Claims
Published evidence records
6 evidence records, matching Agent View. Records may refer to different locations or observations in the same document. This count is not a count of independent corroborating sources.
Open source
sec form ownership · Source published: Jul 27, 2026 · Retrieved: Aug 4, 2026
Supports 3 claims
- Professional Role: Pres. & Chief Exec. Officer at CASTLE BIOSCIENCES INC · Claim reviewed: Sep 6, 2026
- Professional Role: Director at CASTLE BIOSCIENCES INC · Claim reviewed: Sep 6, 2026
- Executive title: Executive title: Pres. & Chief Exec. Officer · Claim reviewed: Sep 6, 2026
CSTL DEF 14A executive officers
sec filing · Source published: Apr 8, 2026 · Retrieved: May 15, 2026
Supports 5 claims
- AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 15, 2026
- Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 15, 2026
- Executive company: Executive at CASTLE BIOSCIENCES INC · Claim reviewed: May 15, 2026
- Executive title: Executive title: President, CEO and Director · Claim reviewed: May 15, 2026
- Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 15, 2026
Open source
sec def 14a · Source published: Apr 8, 2026 · Retrieved: Sep 6, 2026
Supports 3 claims
- Professional Role: President and Chief Executive Officer at CASTLE BIOSCIENCES INC · Claim reviewed: Sep 6, 2026
- Professional Role: President, Chief Executive Officer and Director at CASTLE BIOSCIENCES INC · Claim reviewed: Sep 6, 2026
- Executive title: Executive title: President and Chief Executive Officer · Claim reviewed: Sep 6, 2026
CSTL executive roster source
sec filing · Source published: Date unavailable · Retrieved: May 3, 2026
Supports 5 claims
- AI expertise: AI expertise reported in filings · Claim reviewed: May 3, 2026
- AI governance relevance: AI governance relevance reported from role and filings · Claim reviewed: May 3, 2026
- Executive company: Executive at CASTLE BIOSCIENCES INC · Claim reviewed: May 15, 2026
- Executive function: Enterprise Leadership (CEO) · Claim reviewed: May 3, 2026
- Executive title: Executive title: President, CEO and Director · Claim reviewed: May 15, 2026
Open source
public source · Source published: Date unavailable · Retrieved: Date unavailable
Supports 1 claim
- Board membership: Serves on the board of CASTLE BIOSCIENCES INC · Claim reviewed: Sep 6, 2026
Open source
public source · Source published: Date unavailable · Retrieved: Date unavailable
Supports 1 claim
- Board membership: Serves on the board of CASTLE BIOSCIENCES INC · Claim reviewed: Sep 6, 2026
No published record changes are available in this projection.
Identity
unclaimed
Evidence
corroborated
Evaluation
Unknown
Monitoring
Unknown
Authority
Unknown
Freshness
Observed 2026-10-06
- Biography
- published
- Board service
- published
- Executive career
- published
- Education and qualifications
- not observed
- Compensation
- not observed
- Conflicts and accountability
- not observed
- Background screening
- out of scope