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Robert Knauss

Director at Sotera Health
Board

About Robert B. Knauss

Independent Class III director of Sotera Health (SHC) since October 2022; age 71. Managing Director at Warburg Pincus advising on legal, policy, regulatory and compliance; previously Warburg Pincus General Counsel (2013–2020), corporate partner at Munger, Tolles & Olson LLP (focus: M&A, corporate finance, securities, private equity), and law clerk to Justice William H. Rehnquist (U.S. Supreme Court) and Judge Walter R. Mansfield (2nd Cir.). Education: B.A., Harvard University; J.D., University of Michigan Law School. The Board has determined he is independent under Nasdaq listing standards .

Past Roles

OrganizationRoleTenureCommittees/Impact
Warburg PincusManaging Director; General Counsel (2013–2020)2013–present (MD); 2013–2020 (GC)Advises on legal/policy/regulatory/compliance; sponsor designee to SHC board
Munger, Tolles & Olson LLPCorporate Partner (M&A, corporate finance, securities, PE)1981–2013Senior transactional counsel background
U.S. Supreme CourtLaw Clerk to Justice William H. RehnquistPrior to 1981High-level judicial experience
U.S. Court of Appeals, Second CircuitLaw Clerk to Judge Walter R. MansfieldPrior to 1981Appellate judicial experience

External Roles

OrganizationRoleTenureNotes
Warburg PincusManaging Director2013–presentPrivate equity sponsor of SHC; designated Knauss to SHC board
Other public company boardsNone disclosed in SHC proxy

Board Governance

  • Board class and tenure: Class III; term expires at 2026 annual meeting .
  • Independence: Board annually reviews; all directors except CEO are independent under Nasdaq standards .
  • Committee assignments: Not a member of standing Audit, LDC (Compensation), or NCG committees; member of EO Litigation Committee (met 5 times in 2024) .
  • Board/meeting practices: Board met 8 times in 2024; executive sessions at each regular meeting; all directors attended the 2024 Annual Meeting .
  • Lead Independent Director: Vincent Petrella appointed January 2025; combined Chair/CEO structure retained .
  • Sponsor rights and potential constraints: Warburg Pincus designated Knauss; sponsors have board/committee representation rights and LDC chair appointment; certain quorum conditions require sponsor designees present, potentially constraining board autonomy .

Fixed Compensation

YearCash RetainerCommittee FeesTotal CashNotes
2024$75,000 $0 (no standing committee memberships; EO Litigation Committee has no additional fees) $75,000 Policy: Audit +$7.5K (chair +$25K), LDC +$5K (chair +$20K), NCG +$2.5K (chair +$15K)

Performance Compensation

YearEquity TypeGrant DateShares/UnitsGrant Date Fair ValueVesting
2024RSUsMay 24, 202420,089$224,997 Time-based; vest in full on earlier of 1-year anniversary or immediately prior to next annual meeting (May 21, 2025)

Compensation Program Metrics for Directors (performance-linked)

ElementPerformance MetricMeasurement PeriodTargetOutcome
Director RSUsNone (time-based RSUs; no performance criteria)AnnualN/AN/A

Other Directorships & Interlocks

CompanyRoleTimeframeInterlocks/Conflicts
None disclosed

Sponsor/affiliate transactions (context):

  • Warburg affiliate Quantum Health was a vendor to SHC in 2024 (payments ~$0.4M), overseen under related-party policy; Warburg Pincus designated Knauss to SHC board .

Expertise & Qualifications

  • Legal/regulatory/compliance, corporate responsibility, cybersecurity, enterprise risk management; knowledge of overseas markets .
  • Board skills matrix: Legal/Regulatory, Corporate Responsibility, Cybersecurity, Finance, International, etc.; no service on other public boards indicated .

Equity Ownership

HolderBeneficial Shares% of OutstandingDirect SHC SharesRSUs Vesting ≤60 Days of Record DateNotes
Robert B. Knauss73,858,75326.02%15,71220,089Includes shares beneficially owned by Warburg Pincus affiliates due to his affiliation; Knauss disclaims beneficial ownership except to extent of any indirect pecuniary interests .

Additional alignment policies:

  • Stock ownership guidelines: non-employee directors expected to hold SHC stock valued at 5× annual cash retainer within 5 years; each non-employee director either complies or is on track as of Mar 31, 2024 .
  • Hedging/pledging prohibited (pledging only with pre-approval); short selling/options prohibited .

Insider Trades (Form 4)

Transaction DateTypeSharesPost-Transaction HoldingsSEC Link
2025-05-22A (Award/Grant)19,13254,933https://www.sec.gov/Archives/edgar/data/1822479/000095017025077811/0000950170-25-077811-index.htm
2024-05-24A (Award/Grant)20,08935,801https://www.sec.gov/Archives/edgar/data/1822479/000095017024066027/0000950170-24-066027-index.htm

Governance Assessment

  • Positives

    • Deep legal/regulatory/compliance expertise and risk oversight background; brings cybersecurity and enterprise risk management perspective to a company with complex EO litigation and regulatory exposure .
    • Independent under Nasdaq standards; Board conducts annual independence review; robust executive session cadence and committee risk oversight .
    • Director equity grants provide alignment via annual RSUs; stock ownership guidelines and anti-hedging/pledging policy strengthen alignment .
  • Potential Risks / RED FLAGS

    • Sponsor influence: As a Warburg Pincus designee, Knauss sits on a board where sponsors retain committee representation rights and LDC chair appointment; board quorum conditioned on sponsor designee presence can impede independent board action if sponsors are absent or misaligned with minority shareholders .
    • Related-party exposure: Warburg affiliate Quantum Health received ~$0.4M as a vendor in 2024; while overseen by Audit Committee policy, sponsor-affiliate transactions warrant monitoring for arm’s-length terms and independence perceptions .
    • Classified board and combined Chair/CEO structure are investor-sensitive topics; though mitigated by a Lead Independent Director, governance structure may be viewed as entrenchment by some holders .
  • Signals affecting investor confidence

    • High say-on-pay support (over 98% in 2024) suggests broad shareholder confidence in compensation governance; however, sponsor rights in the Stockholders Agreement merit ongoing scrutiny as ownership declines .
    • Active participation on EO Litigation Committee indicates engagement with core risk area; meeting frequency (5× in 2024) shows oversight cadence .

Board Governance (Detail)

CommitteeMembershipChair2024 MeetingsNotes
AuditPetrella (Chair), Flynn, Klee, WheadonPetrella5Knauss is not a member
Leadership Development & Compensation (LDC)Neary (Chair), Mihas, SimonNeary5Warburg entitled to appoint LDC Chair per Stockholders Agreement (currently Neary; Warburg designee chairs LDC when entitled)
Nominating & Corporate Governance (NCG)Klee (Chair), Chen, Cunningham, WheadonKlee5Knauss not a member
EO LitigationCunningham, Klee, Knauss, Petrella5Knauss member
Nordion PricingChen, Cunningham, Flynn, Petrella3No extra fees; safeguards on information flow

Director Compensation (Detail)

ComponentPolicyAmount/ValueNotes
Annual cash retainerFixed$75,000Paid quarterly; pro-rated if partial year
Committee membership feesAudit +$7.5K (+$25K chair); LDC +$5K (+$20K chair); NCG +$2.5K (+$15K chair)$0 for Knauss in 2024EO Litigation/Nordion committees: no additional compensation
Annual RSU grantTarget grant date value$225,000Time-based vest; typically granted day after annual meeting
2024 actualFees + RSUs$75,000 cash; $224,997 stock; total $299,997Per director compensation table

Equity Ownership

MetricValueBasis
Shares outstanding283,855,074As of Mar 28, 2025
Knauss beneficial ownership73,858,753 (26.02%)Includes Warburg Pincus affiliates; disclaimed except for indirect pecuniary interests
Direct common shares15,712Footnote detail
RSUs vesting ≤60 days20,089Footnote detail

Overall, Knauss brings high-value governance and legal risk expertise aligned with SHC’s profile, balanced against sponsor-related governance provisions and related-party contexts that investors should monitor for independence and arm’s-length discipline .