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John D. Mendlein

Vice Chairman of the Board at FATE THERAPEUTICSFATE THERAPEUTICS
Board

About John D. Mendlein

John D. Mendlein, Ph.D., J.D., is Vice Chairman and a Class I director of Fate Therapeutics; he has served as Vice Chairman since November 2011 and as a director since April 2008. He is 65, with a Ph.D. in physiology and biophysics from UCLA, a J.D. from the University of California College of the Law, San Francisco, and a B.S. in biology from the University of Miami. The Board has determined he is independent under Nasdaq and SEC rules .

Past Roles

OrganizationRoleTenureCommittees/Impact
Vesalius Therapeutics Inc. (private)Chief Executive Officer; DirectorSince Apr 2024CEO role at a privately held biotech
Flagship PioneeringExecutive PartnerSince Feb 2019Strategic operating partner at innovation firm
Moderna, Inc.President, Corporate & Product StrategyJan 2018–Feb 2019Senior executive role during clinical-stage period
aTyr Pharma, Inc.Chief Executive Officer; Executive Chairman of BoDCEO Sep 2011–Nov 2017; Exec Chair Jul 2010–Dec 2015Led public biotech; governance leadership
Adnexus Therapeutics, Inc.Chief Executive Officer2005–2008Company purchased by Bristol-Myers Squibb in 2008
Monogram Biosciences, Inc.Directorpre-2009Company acquired by LabCorp in 2009
Affinium Pharmaceuticals Ltd.Chairman & Chief Executive Officer2000–2005Company acquired by Debiopharm Group
Aurora Bioscience CorporationBoard Member; General Counsel; Chief Knowledge OfficerAug 1996–Sep 2001Acquired by Vertex Pharmaceuticals

External Roles

OrganizationRoleTenureNotes
Vesalius Therapeutics Inc. (private)Chief Executive Officer; DirectorSince Apr 2024Current operating role
Flagship PioneeringExecutive PartnerSince Feb 2019Ongoing external role
Omega Therapeutics, Inc. (Nasdaq: OMGA)DirectorSep 2021–Dec 2024Prior public company board service
Prior Boards (Axcella Health; Editas Medicine; Moderna; BIO Emerging Companies Board)Director/Board rolesNot disclosedHistorical governance roles at notable biotechs

Board Governance

  • Role: Vice Chairman; Class I director alongside Drs. Robert S. Epstein and Karin Jooss .
  • Independence: Board determined all directors except the CEO (Dr. Valamehr) are independent; no family relationships disclosed .
  • Committees: Not currently on Audit, Compensation, or Nominating (no committee markers next to his name); he served on the Science & Technology Committee from Sep 2019 until Mar 2025 (advisory committee) .
  • Attendance: In 2024, each director attended ≥75% of Board and committee meetings for which they served; independent directors met five times without management; eight directors attended the 2024 Annual Meeting .
  • Board structure: Independent Chairman (Dr. Rastetter); separation of CEO and Chair roles; three fully independent standing committees (Audit, Compensation, Nominating & Corporate Governance) .

Fixed Compensation

Component2024 Amount / PolicyNotes
Fees Earned or Paid in Cash (Mendlein)$46,000Non-employee director cash compensation for 2024
Board Annual Retainer (Policy through Jan 15, 2025)$40,000All non-employee directors; +$35,000 Board Chair
Committee Retainers (Policy through Jan 15, 2025)Audit Chair $15,000; member $7,500; Compensation Chair $12,000; member $6,000; Nominating Chair $10,000; member $5,000; Science & Tech Chair $12,000; member $6,000Prorated based on days of service
Board Annual Retainer (Amended Policy from Jan 16, 2025)$40,000All non-employee directors; +$35,000 Board Chair
Committee Retainers (Amended Policy from Jan 16, 2025)Audit Chair $20,000; member $10,000; Compensation Chair $15,000; member $7,500; Nominating Chair $10,000; member $5,000; Science & Tech Chair $12,000; member $6,000Increased Audit and Compensation retainer levels

Performance Compensation

Equity Component2024 Value / TermsVesting / Metrics
Option Awards (Mendlein)$114,923 grant-date fair value in 2024SEC ASC 718 valuation; time-based vesting; options valued at grant do not reflect realized value
Director Equity Policy (through Jan 15, 2025)Initial: 80,000 options; Annual: 40,000 optionsInitial options vest monthly over 3 years; annual options vest fully by next annual meeting or 1-year anniversary; exercise price = FMV on grant date; 100% vesting upon Sale Event
Director Equity Policy (from Jan 16, 2025)Initial: 110,000 options; Annual: 55,000 optionsSame vesting mechanics and pricing; 100% vesting upon Sale Event if not assumed

No director performance metrics (e.g., revenue, EBITDA, TSR) are disclosed for equity awards; awards vest based on service time, not performance targets .

Other Directorships & Interlocks

  • Public boards: Prior director at Omega Therapeutics (Sep 2021–Dec 2024) .
  • Notable governance network: Past roles at Moderna, Editas, Axcella, Monogram, and others; current Executive Partner at Flagship Pioneering (venture ecosystem exposure) .
  • Interlocks/related-party exposure: No material related-party transactions disclosed involving Mendlein; the only disclosed transaction relates to Redmile (affiliated with director Michael Lee) purchasing pre-funded warrants in Mar 2024 .

Expertise & Qualifications

  • Deep biotech operating and governance experience, including CEO roles, strategy leadership at Moderna, and multiple board positions .
  • Legal and scientific training (Ph.D. in physiology/biophysics; J.D.), enabling cross-disciplinary oversight and risk management .
  • The Board explicitly cites his extensive business and leadership experience as qualification for service .

Equity Ownership

HolderBeneficially Owned (as of Mar 31, 2025)Within 60 Days (Class A pref. convertible / RSUs vesting / options exercisable)Total% of Common Stock
John D. Mendlein311,231 shares164,227475,458<1%
  • Options held: 204,227 shares subject to options as of Dec 31, 2024 (aggregate) .
  • Pledging/hedging: No pledging or hedging disclosures for directors; not stated as a related-party issue .
  • Ownership guidelines: No director stock ownership guidelines disclosure found in the proxy; not specified .

Governance Assessment

  • Independence and engagement: Independent status, Vice Chairman role, and prior Science & Technology Committee service suggest strategic engagement; attendance thresholds met across Board and committees in 2024, and independent directors held five executive sessions, indicating robust oversight .
  • Committee footprint: Not currently serving on core fiduciary committees (Audit, Compensation, Nominating); his advisory Science & Technology role ended Mar 2025, which modestly reduces technical committee influence relative to peers .
  • Compensation alignment: Director pay mix is primarily service-based options and modest cash retainer; 2024 total of $160,923 (cash $46,000, options $114,923) reflects standard small/mid-cap biotech director compensation structures; equity awards are at-risk via stock performance but lack explicit performance metrics, which is typical for outside directors .
  • Ownership: Beneficial ownership <1% with meaningful vested/exercisable options; alignment via options is present but not concentrated, consistent with governance norms for independent directors .
  • Conflicts and related-party exposure: No material related-party transactions involving Mendlein; broader company disclosures show a Redmile financing affiliated with another director (Michael Lee), which the company disclosed, mitigating transparency risks .
  • RED FLAGS: None disclosed for Mendlein specifically (no legal proceedings, pledging, loans, or related-party transactions). Company-wide equity burn rate is elevated versus peers (three-year average 6.32% vs 6.22% median), driven by volatility and retention needs, which investors should monitor for dilution risk, though not attributable to Mendlein individually .

Director Compensation (Mendlein)

Metric2024
Cash Fees$46,000
Option Awards (grant-date fair value)$114,923
Total$160,923
Options Held (12/31/2024)204,227 shares subject to options

Signals for Investor Confidence

  • Strong independence and long-tenured board leadership; clear separation of Chair and CEO and active independent sessions .
  • Transparent compensation structures and use of an independent compensation consultant (Aon); conflict-of-interest checks conducted annually with no conflicts identified .
  • No material related-party transactions involving Mendlein; company provides detailed beneficial ownership and financing disclosures .

Overall, Mendlein’s governance profile is consistent with an experienced, independent biotech operator with broad external networks; his current lack of core committee membership is a neutral factor, while advisory committee experience and vice chair role support board effectiveness .