Executive record

Severin Hacker

Director at Duolingo, Inc.

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Alpha ID: alpha:person:severin-hackerVersion: public-0As of: 2026-09-29

Not yet claimed9 published Claims3 sources
  • Director

Key Claims

Biography

Severin Hacker co-founded Duolingo in August 2011 and has served as Chief Technology Officer and Director since then. He holds a B.S. in Computer Science from ETH Zurich, Switzerland and a Ph.D. in Computer Science from Carnegie Mellon University. He is qualified to serve on the Board due to his perspective and experience building and leading Duolingo as co-founder and CTO.

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 Technology Officer · Organization not publishedDUOL 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. DUOL DEF 14A director slate

    sec filing · Source published: Apr 25, 2025 · Retrieved: May 9, 2026

    Supports 7 claims
    • AI and ML experience: AI and machine learning experience reported in filings · Claim reviewed: May 9, 2026
    • Board role: Board role: Director · Claim reviewed: May 9, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: May 9, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 9, 2026
    • Executive company: Executive at Duolingo, Inc. · Claim reviewed: May 9, 2026
    • Executive title: Executive title: Chief Technology Officer · Claim reviewed: May 9, 2026
    • Technology background: Technology background reported in filings · Claim reviewed: May 9, 2026

  2. Open source

    sec proxy · Source published: Apr 25, 2025 · Retrieved: May 8, 2026

    Supports 1 claim
    • Professional Role: Director at Duolingo, Inc. · Claim reviewed: May 9, 2026

  3. Open source

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

    Supports 1 claim
    • Board membership: Serves on the board of Duolingo, Inc. · Claim reviewed: May 9, 2026