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John Markels

About John H. Markels

Independent director since December 2022; age 60 as of the 2025 proxy. Ph.D. in Chemical Engineering from UC Berkeley and B.S. in Chemical Engineering from the University of Delaware. Retired from Merck in March 2022 after serving as President, Global Vaccines and holding senior roles in commercial leadership and global manufacturing. Currently serves on Sangamo Therapeutics’ board and on science/engineering advisory boards at UC Berkeley and the University of Delaware .

Past Roles

OrganizationRoleTenureCommittees/Impact
Merck & Co., Inc.President, Global VaccinesThrough March 2022 (retired)Led discovery/development, supply/access, global marketing, and portfolio strategy
Merck & Co., Inc.President, Latin AmericaJan 2018 – Jan 2019Regional commercial leadership
Merck & Co., Inc.SVP, Global Human Health Business StrategyJan 2017 – Dec 2017Corporate strategy for Human Health
Merck & Co., Inc.Managing Director, MexicoNov 2013 – Jan 2017Country leadership
Merck & Co., Inc.Senior manufacturing leadership (API, vaccines; EMEA/APAC/emerging markets ops)Prior to commercial rolesGlobal manufacturing operations and technology/product development

External Roles

OrganizationRoleTenureNotes
Sangamo TherapeuticsDirectorCurrentPublic company board service
UC Berkeley College of ChemistryAdvisory Board ChairCurrentAcademic advisory leadership
Univ. of Delaware Dept. of Chemical & Biomolecular EngineeringAdvisory Board MemberCurrentAcademic advisory role

Board Governance

  • Committee assignments: Audit Committee member; Nominating & Corporate Governance Committee member .
  • Committee chairs: Audit Committee chaired by James Barlow; Nominating & Corporate Governance chaired by Edward W. Holmes; Compensation chaired by Magda Marquet (Markels is not a chair) .
  • Independence: Board determined Markels is independent under Nasdaq rules; 7 of 9 directors are independent .
  • Attendance: Board held 6 meetings in 2024; each director attended at least 75% of Board and applicable committee meetings (Audit held 6; Compensation 4; Nominating 2) .
  • Risk oversight: Audit oversees financial reporting and cybersecurity; Nominating oversees independence and conflicts; Compensation oversees compensation risk .

Fixed Compensation

ComponentPolicy AmountActual 2024 Cash for Markels
Board annual retainer (non-employee)$50,000 $47,500
Audit Committee membership$10,000 Included in total (actual shown above)
Nominating & Corporate Governance membership$5,000 Included in total (actual shown above)
Committee chair premiums (if applicable)$10,000 (Comp), $10,000 (Audit), $5,000 (Nominating) Not applicable for Markels (not a chair)

Note: The company reports actual director cash paid; policy retainers are disclosed separately. Variances may reflect proration or timing; the proxy does not detail individual proration .

Performance Compensation

ComponentTerms2024 Value
Annual Equity Grant (Directors)Stock options to purchase 15,000 shares; monthly vesting over 1 year; grant typically at annual meeting; exercise price at Fair Market Value under the 2019 Plan $309,000 option award value for Markels
Inaugural Equity Grant (upon joining board)Stock options to purchase 15,000 shares; monthly vesting over 2 years Not applicable to 2024 (initial grant at prior appointment)

No director PSUs/RSUs or performance metrics are disclosed for director pay; options are time-based and value depends on post-grant stock price appreciation .

Other Directorships & Interlocks

EntityRelationship TypePotential Interlock/Conflict Consideration
Sangamo TherapeuticsPublic company directorshipDistinct biotech focus; no ARCT-related party transactions disclosed; Audit Committee reviews related person transactions .

Expertise & Qualifications

  • Advanced technical and manufacturing expertise (API and vaccines), plus global commercial leadership experience (Latin America, Mexico) .
  • Academic governance roles in chemistry and chemical engineering; Ph.D. UC Berkeley; B.S. University of Delaware .
  • Independent director under Nasdaq rules .

Equity Ownership

HolderShares Beneficially Owned% OutstandingNotes
John H. Markels53,855 <1% Includes 53,855 shares issuable upon exercise of options exercisable within 60 days of April 8, 2025; footnote (16) .

Section 16(a) compliance: Company states all insiders complied with Form 3/4/5 filing requirements in 2024 .

Governance Assessment

  • Alignment: Independent status, service on Audit and Nominating committees, and prohibition on hedging for directors support investor alignment and risk oversight .
  • Incentives: Director equity is exclusively options with time-based vesting (no RSU “full-value” awards for directors disclosed), linking value to future stock performance .
  • Ownership: Beneficial ownership is modest (<1%); exercisable options indicate skin-in-the-game but limited direct shareholding; no pledging disclosed .
  • Engagement: At least 75% attendance with active committee service; Audit met 6 times, Nominating 2, indicating ongoing oversight cadence .
  • Conflicts: No related party transactions >$120,000 involving directors in 2024; Audit Committee oversees related party review; no family relationships or required legal proceedings disclosures for directors .

Red flags: None disclosed for Markels on attendance, related-party dealings, or hedging/pledging. Watch items include relatively low cash fees versus policy retainers without explanatory detail (likely proration/timing), but not flagged by the company as problematic .