Executive record

Catherine Stehman-Breen, M.D.

Director at Tenaya Therapeutics, Inc.

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Alpha ID: alpha:person:catherine-stehman-breen-m-dVersion: public-0As of: 2026-09-28

Not yet claimed9 published Claims3 sources
  • Director

Key Claims

Biography

Catherine Stehman-Breen has served as CEO of Winnow Therapeutics since August 2025 and previously as CEO of Chroma Medicine from December 2020 to January 2025. She has held Chief Medical Officer and Chief R&D Officer roles at multiple biotechnology companies including Dyne Therapeutics, Sarepta Therapeutics, and Regeneron Pharmaceuticals. She holds an MD from the University of Chicago and an MS in epidemiology from the University of Washington.

Alpha editorial summary written from the cited sources below. It does not change any Claim on this record.

Board service

Boards

Claims

Executive career

  1. Dates not publishedExecutive title: Chief Executive Officer · Organization not publishedTNYA DEF 14A director slate

Claims

Conflicts 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

3 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.

  1. TNYA DEF 14A director slate

    sec filing · Source published: Apr 16, 2026 · Retrieved: May 16, 2026

    Supports 7 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Board role: Board role: Director · Claim reviewed: May 16, 2026
    • Committee assignments: Committee assignments: Science/Innovation · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Executive company: Executive at Winnow Therapeutics, Inc. · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Chief Executive Officer · Claim reviewed: May 16, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 16, 2026

  2. Open source

    sec proxy · Source published: Apr 16, 2026 · Retrieved: Apr 25, 2026

    Supports 1 claim
    • Professional Role: Director at Tenaya Therapeutics, Inc. · Claim reviewed: May 16, 2026

  3. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Tenaya Therapeutics, Inc. · Claim reviewed: May 16, 2026