Executive record

John Lilly

Director at Duolingo, Inc.

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Alpha ID: alpha:person:john-lillyVersion: public-0As of: 2026-09-29

Not yet claimed9 published Claims3 sources
  • Director

Key Claims

Biography

John Lilly has served on Duolingo's Board since December 2021 and is a venture partner at Greylock Partners since 2011. He previously served as CEO of Mozilla Corporation from 2008 to 2010, and was founder and CEO of Reactivity, a software company acquired by Cisco Systems. He holds B.Sc. and M.Sc. degrees in computer science from Stanford University.

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: Venture Partner · 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 ML experience: not identified in the cited filing · Claim reviewed: May 9, 2026
    • Board role: Board role: Director · Claim reviewed: May 9, 2026
    • Committee assignments: Committee assignments: Compensation, Mergers and Acquisitions · Claim reviewed: May 9, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 9, 2026
    • Executive company: Executive at Greylock Partners · Claim reviewed: May 9, 2026
    • Executive title: Executive title: Venture Partner · 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