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Russell Stidolph

Chair of the Board at Eos Energy Enterprises
Board

About Russell Stidolph

Independent Chair of the Board at Eos Energy Enterprises (EOSE); age 49; director since 2020 (Eos business combination), and director of Eos Energy Storage LLC since 2014 (Chair since 2018). Founder and Managing Director of AltEnergy, LLC (since 2006), with prior roles in private equity and energy finance; B.A. from Dartmouth College. Core credentials: renewable energy investing, capital markets, risk management, and board leadership, including Chair/CEO of AltEnergy Acquisition Corp. (NASDAQ: AEAE).

Past Roles

OrganizationRoleTenureCommittees/Impact
Eos Energy Enterprises, Inc.Chair of the Board; DirectorDirector since 2020Independent Chair; governance and compensation leadership
Eos Energy Storage LLCDirector; Chair of the BoardDirector since 2014; Chair since 2018Oversight of subsidiary governance
AltEnergy, LLCFounder & Managing DirectorSince 2006Led alternative energy investments
J.H. Whitney & Co., LLCPrincipalStarted firm’s alt energy practice; CFO & Vice Chair at Hawkeye Renewables until sale in 2006
PaineWebber, Inc.Corporate Finance (high-yield & leveraged finance)Origination; capital markets
Tres Amigas, LLCSVP & CFO; DirectorFinance leadership; board oversight
Viridity Energy, Inc.Chair of the Board— (sold to Ormat in 2017)Led board through strategic sale

External Roles

OrganizationRoleTenureCommittees/Impact
AltEnergy Acquisition Corp. (NASDAQ: AEAE)Chairman & CEOSPAC leadership; capital markets experience
Hulett BancorpDirectorFinancial services oversight
Tres Amigas, LLCDirectorGrid infrastructure board role

Board Governance

  • Independence: Board determined Stidolph is an “independent director” under Nasdaq rules. He serves as independent Chair of the Board; independent directors meet in executive session at least twice per year.
  • Committee assignments: Chair, Leadership Development & Compensation Committee; member, Nominating & Corporate Governance Committee.
  • Board structure: Classified board; EOSE common directors (8) plus three Preferred Directors appointed by Investor Preferred Stock holder; composition and rights detailed in proxy.
  • Attendance: In FY2024 the Board met 26 times; Board/committee attendance was 81% aggregate; all directors attended the 2024 annual meeting.

Fixed Compensation

ComponentFY 2024 AmountNotes
Annual cash retainer$25,000 Paid quarterly in arrears under Director Compensation Policy
Annual equity retainer (RSUs)$150,000 grant value (policy) RSUs; number set by 10-day VWAP; vest on earlier of 1 year or immediately prior to next annual meeting; accelerated on change in control
Chair RSU – Board Chair$50,000 grant value (policy) RSUs; same vest terms as equity retainer
Chair RSU – Compensation Committee Chair$25,000 grant value (policy) RSUs; same vest terms as equity retainer
Reported FY2024 director stock awards (grant-date fair value)$183,158 Grant-date fair value under ASC 718
Total FY2024 director compensation$208,158 Cash + stock awards
RSUs outstanding (as of 12/31/2024)105,263 units Directors could elect portion as cash-settled RSUs; Stidolph elected 42,105 cash-settled units
Stock options granted in FY2024None
  • Vesting schedule: Director RSUs vest on earlier of one-year anniversary or immediately prior to next annual meeting; accelerated on change in control.
  • Non-employee director plan limits and practices: No evergreen/repricing; dividend equivalents only upon vest; annual non-employee director compensation cap; anti-hedging/pledging; clawback applies to awards.

Performance Compensation

  • Non-employee director compensation does not include performance-based metrics (no PRSUs or option performance hurdles disclosed for directors in FY2024).
Performance MetricApplies to Director Pay?Notes
TSR / PRSUsNo PRSUs integrated for executives; director awards are RSUs per policy
Committee/meeting attendance-based payNo No meeting fees disclosed; flat retainers

Other Directorships & Interlocks

ConnectionDetailGovernance/Conflict Note
Cerberus Investor Preferred Directors on EOSE BoardPreferred Directors: Greg Nixon, Nick Robinson, David Urban appointed by Investor Preferred holder (Cerberus-related entities) Investor-designated directors on committees; board has processes for related-person transactions
AltEnergy vehiclesStidolph is MD and managing member across AltEnergy entities holding EOSE shares; pecuniary interest disclosed. Related interests disclosed; beneficial ownership breakdown provided
AltEnergy Acquisition Corp.Stidolph Chair/CEO of AEAE (public) Capital markets experience; monitor for time commitments/interlocks

Expertise & Qualifications

  • Renewable energy investor/operator; capital markets, leveraged finance, and risk management experience from AltEnergy, J.H. Whitney, PaineWebber; strategic board leadership in energy infrastructure.
  • Independent board leadership and compensation governance, with Chair roles indicating deep governance expertise.

Equity Ownership

MetricAs of Mar 1, 2025As of Aug 12, 2025
Total beneficial ownership (shares; %)4,011,116; 1.77% 4,283,509; 1.5%
Direct shares301,197 364,355
Vested stock options (exercisable)594,246 594,246
AltEnergy entities (pecuniary interest)2,653,272 2,653,272
Shares issuable upon conversion of AE Convert LLC notes attributable to Stidolph426,401 671,636
RSUs outstanding (12/31/2024)105,263
  • Ownership policy: Insider Trading Policy prohibits hedging and pledging of Company securities.
  • Clawback: Equity awards subject to clawback policy; anti-hedging/pledging reinforced in plan terms.

Governance Assessment

  • Strengths: Independent Chair separate from CEO; Stidolph chairs Compensation Committee and serves on Nominating & Governance, indicating strong governance engagement. Independent director status affirmed under Nasdaq; independent directors hold regular executive sessions.
  • Pay structure: Modest cash retainer with equity RSUs; clear vesting terms; director awards within plan caps and best-practice provisions (no repricing, no evergreen).
  • Shareholder signals: Say-on-pay passed (68.0M for vs 7.7M against); equity plan amendment approved.
  • Conflicts/Related-party exposure: AE Convert LLC (affiliated purchaser) is managed by Stidolph; his pecuniary interest disclosed. He recused himself from Board discussions/actions regarding the special Share Issuance Proposal; stockholders approved issuance enabling redemption/conversion of affiliated notes (up to 2,863,291 shares). Monitor dilution/optics.
  • Board effectiveness risk indicators: Aggregate Board/committee attendance at 81% in FY2024 (not director-specific); presence of Investor Preferred-appointed directors (Cerberus) across committees may concentrate influence; however, related-person policies in place.

RED FLAGS

  • Affiliated financing: Notes held by AE Convert LLC (managed by Stidolph) with potential share issuance; although recusal mitigates process risk, the affiliation represents ongoing perceived conflict.
  • Dilution optics: Cerberus agreements and preferred/warrant structures increase potential dilution; continued vigilance on pay-for-performance and equity usage warranted.

Positive Signals

  • Explicit recusal on affiliated transaction; robust related-person policy; anti-hedging/pledging; clawback in place; independent compensation consultant retained (Mercer, then Pay Governance).