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Harry Quarls

Chairman of the Board at ESS Tech
Board

About Harry Quarls

Harry Quarls, age 73, is the independent Chairman of the Board of ESS Tech (GWH) and serves as the company’s lead independent director under NYSE rules; he has been a director since 2023 with his current Class II term expiring in 2026 . He holds BS and ScM degrees in Chemical Engineering (Tulane; MIT) and an MBA from Stanford, and brings over 40 years of energy investing and board leadership experience across public and private companies . Board attendance in 2024 met ESS’s threshold (≥75%) for all directors except one, indicating a satisfactory engagement level for Mr. Quarls .

Past Roles

OrganizationRoleTenureCommittees/Impact
Mesquite EnergyChairman of the BoardJun 2020–2023 Led board during restructuring/strategic alternatives
EP EnergyChairman of the BoardOct 2020–2022 Oversaw investor-controlled entity governance
Sunrise Oil & GasChairman of the BoardEnergy sector governance leadership
Penn Virginia CorporationChairman of the BoardEnergy company board leadership
SH 130 Concessions CompanyChairman of the BoardInfrastructure oversight
Trident Resources CorpChairman of the BoardEnergy investing oversight
Woodbine Acquisition CorpChairman of the BoardSPAC governance
US Oil Sands CorpChairman of the BoardEnergy operations oversight
Gastar Exploration, Inc.Director; Chair, Strategic Alternatives CommitteeLed special committee processes
Rosehill ResourcesDirector; Chair, Strategic Alternatives CommitteeLed special committee processes
FlexSteel Pipe Fairway ResourcesDirectorOct 2020–Apr 2023 Energy manufacturing oversight
PetroQuest EnergyDirectorE&P governance
GreenRock EnergyDirectorEnergy investing
Opal ResourcesDirectorEnergy operations

External Roles

OrganizationRoleTenureNotes
CHC HelicopterChairman of the BoardSince Sep 2022 Aviation services governance
Key Energy ServicesChairman of the BoardSince Mar 2020 Oilfield services governance
Seadrill (NYSE: SDRL)DirectorSince Apr 2023 Offshore drilling board role

Board Governance

  • Independence: ESS’s board comprises a majority of independent directors under NYSE rules; the board explicitly determined all directors, including Mr. Quarls, are independent .
  • Leadership: Roles of Chair and CEO are separated; Mr. Quarls leads the board as independent Chair and is also designated lead independent director, focusing the board on independent oversight of management .
  • Committee assignments: Mr. Quarls chairs the Compensation Committee; other members are Raffi Garabedian and Kyle Teamey . He is not listed on the Audit Committee (chair: Alexi Wellman; members: Rich Hossfeld, Michael Niggli) or the Nominating & Governance Committee (chair: Sandeep Nijhawan; members: Michael Niggli, Kyle Teamey) .
  • Attendance: The board held 17 meetings in 2024; each director attended at least 75% of aggregate board/committee meetings except Raffi Garabedian (65%)—indicating Mr. Quarls met engagement expectations .
  • Executive sessions: Non-employee directors meet in executive session periodically per NYSE rules and ESS guidelines .
  • Risk oversight: Audit oversees financial reporting, controls, cyber and compliance; Compensation oversees pay-related risk; Nominating & Governance oversees governance/independence/conflicts .

Fixed Compensation

Component2024 Amount (USD)2025 Policy/Status
Annual Director Retainer (Cash)$50,000 (part of total fees) Directors agreed to forego cash compensation in FY2025 ($0 cash)
Chair of Board Fee (Cash)$25,000 (part of total fees) Foregone for FY2025
Chair, Compensation Committee (Cash)$15,000 (part of total fees) Foregone for FY2025
Total Cash Fees Earned (2024)$90,000 $0 planned for FY2025 (foregone)

Notes: Director cash retainers are paid quarterly in arrears; no per-meeting fees . Committee and leadership fee schedule per policy: Audit Chair $20k; Audit member $10k; Comp Chair $15k; Comp member $7.5k; N&G Chair $10k; N&G member $5k; Chair/Lead Independent $25k .

Performance Compensation

Award TypeGrant/TermsValue/SizeVesting
Annual RSU (all directors)Fixed 13,513 shares granted at each annual meeting 13,513 shares per year Vests earlier of one year or day before next annual meeting, subject to service
RSU (Non-Exec Chair)—AnnualChair receives annual RSUs valued at $300,000 (replaces standard annual RSU) $300,000 value per year (rounded to whole shares) Time-based; vests per annual RSU schedule
Option (Non-Exec Chair)—One-timeOne-time nonstatutory option valued at $300,000; 10-year term $300,000 grant-date fair value Vests 1/3 annually on each anniversary, subject to service
2024 Stock Awards (reported)Director compensation table (aggregate grant-date fair value) $158,237Per underlying RSU/option schedules
Latest Form 4 (2025 annual RSU)Acquisition (non-open market) of 13,513 RSUs on Oct 13, 2025 13,513 shares; price $0Per annual RSU schedule

Performance metrics: Director equity is time-based; no performance metrics (TSR/EBITDA/etc.) are disclosed for director awards, indicating primarily service-conditioned vesting rather than performance-conditioned awards .

Other Directorships & Interlocks

CompanySectorRole/CommitteeInterlock/Conflict Notes
CHC HelicopterAviation servicesChairmanNo ESS commercial tie disclosed; sector adjacency only
Key Energy ServicesOilfield servicesChairmanNo ESS commercial tie disclosed; sector adjacency only
Seadrill (NYSE: SDRL)Offshore drillingDirectorNo ESS commercial tie disclosed; public board role

Network note: Significant energy-sector board history including restructuring/special committee leadership at multiple issuers (e.g., Gastar, Rosehill), reflecting extensive familiarity with investor-controlled entities and strategic alternatives processes .

Expertise & Qualifications

  • Education: BS (Tulane) and ScM (MIT) in Chemical Engineering; MBA (Stanford) .
  • Expertise: 40+ years in energy strategy, finance, transactions, and midstream investments; former Managing Director at Global Infrastructure Partners; former Managing Director/practice leader at Booz & Company .
  • Board credential: Extensive public/private energy board leadership; financial and transactional expertise applicable to compensation committee chair duties .

Equity Ownership

MetricValue
Total Beneficial Ownership (Aug 31, 2025)33,717 shares
Ownership as % of Shares Outstanding<1%
Composition25,487 shares + 8,230 options exercisable within 60 days
Outstanding Director Awards (Dec 31, 2024)18,999 shares under stock awards; 12,345 options
Hedging/PledgingProhibited by Insider Trading Policy (no short sales, options, hedging, or pledging; no margin accounts)

Board Governance

TopicDetails
CommitteesCompensation (Chair: Quarls; members: Garabedian, Teamey)
IndependenceAll directors independent under NYSE rules; Quarls is lead independent director
AttendanceBoard held 17 meetings in 2024; Quarls met ≥75% attendance threshold
Executive SessionsNon-employee director executive sessions held periodically
Clawback PolicyAdopted Nov 2023; non-discretionary recovery of excess incentive pay for restatements per SEC/NYSE rules

Fixed Compensation (Detail for 2024)

ComponentAmount (USD)
Fees Earned or Paid in Cash$90,000
Stock Awards (grant-date fair value)$158,237
Option Awards$0 (reported 2024)
Total$248,237

2025: Directors agreed to forego cash fees for FY2025; policy otherwise provides $50,000 annual director retainer plus $25,000 Chair/Lead Independent fee and committee fees as applicable .

Insider Trades (Recent)

DateTypeSharesPriceSource
Oct 13, 2025Acquisition (non-open market RSU grant)13,513$0.00
Oct 15, 2025 (ref)Form 4 filing notice
Oct 13, 2025 (summary)RSU grant summary (non-open market)13,513$0.00

Note: ESS Insider Trading Policy prohibits hedging/pledging/derivative transactions by directors, reinforcing alignment and risk mitigation .

Governance Assessment

  • Positives

    • Independent Chair and lead independent director structure enhances oversight and board effectiveness; separation from CEO role supports independence .
    • Compensation Committee chaired by Quarls; independent composition; committee charter includes clawback policy oversight and executive pay risk review .
    • Directors voluntarily forewent cash retainers for FY2025, signaling cost discipline and alignment amid financing needs .
    • Clawback policy adopted in Nov 2023 per SEC/NYSE requirements; strengthens accountability over incentive pay .
    • Prohibitions on hedging/pledging/margin use reduce misalignment risks, supporting long-term shareholder alignment .
  • Potential Conflicts/Red Flags

    • July 2025 bridge financing: Company issued short-term promissory notes to “certain directors and members of management” with 15% exit fee and issued warrants at $3.48; names not specified—repayment occurred within two weeks; nonetheless, related-party financing warrants scrutiny and robust Audit Committee oversight .
    • Honeywell-related agreements (equity investment, warrants, supply agreement, sale-leaseback of equipment) create material related-party exposure; Audit Committee monitors related-party transactions per charter .
    • Ongoing use of standby equity purchase agreement (YA II PN, LTD) and warrant approvals implies dilution risk; board seeks shareholder approval for issuance above NYSE exchange cap .
  • Attendance/Engagement

    • Board met 17 times in 2024; Quarls met attendance thresholds (≥75%), supporting engagement .
  • Independence

    • Board determined all directors (including Quarls) are independent under NYSE standards; no family relationships among directors/executives .
  • Committee Effectiveness

    • Charters specify oversight of compensation risk, governance conflicts, and related-party transactions; independent membership across committees is disclosed .

Overall, Harry Quarls’ governance profile features independent board leadership, compensation committee stewardship, strong policy frameworks (clawback, hedging ban), and satisfactory attendance, balanced against heightened related-party financing and commercial arrangements requiring vigilant committee oversight and clear disclosures to maintain investor confidence .

Notes and Sources

  • Board composition, roles, independence, and committees: .
  • Director compensation policy and amounts: .
  • Education and background: .
  • Beneficial ownership: .
  • Insider trading policy and clawback: .
  • Related-party transactions (Honeywell, SBE affiliates, bridge financing): .
  • Share issuance proposal/financing context: .
  • Form 4 (Oct 13, 2025) RSU grant references: .