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Greg Summe

Chair of the Board at GRAIL
Board

About Greg Summe

Gregory (Greg) Summe, 68, has served on GRAIL’s board since 2024 and as independent Chair since June 2024. He is Founder and Managing Partner of Glen Capital Partners (since 2014), previously Vice Chairman and Managing Director of Global Buyout at The Carlyle Group (2009–2014), and earlier Chairman/CEO/President of PerkinElmer for over a decade. He holds a B.S. from the University of Kentucky, an M.S. from the University of Cincinnati, and an M.B.A. from Wharton, bringing deep operating, life sciences, and private equity expertise to GRAIL’s board .

Past Roles

OrganizationRoleTenureCommittees/Impact
Glen Capital Partners LLCFounder & Managing PartnerSince Jun 2014 Investment leadership
The Carlyle GroupVice Chairman & Managing Director, Global BuyoutOct 2009–Jun 2014 Global buyout leadership
PerkinElmer, Inc.Chairman, CEO, PresidentOver a decade Led diagnostics/life sciences company
Goldman Sachs Capital PartnersSenior AdvisorPrior role (dates not disclosed) PE advisory
AlliedSignal, Inc.President, Automotive/Jet Engine/General Avionics businessesPrior role (dates not disclosed) Led major industrial segments
GE – Commercial MotorsGeneral ManagerPrior role (dates not disclosed) Operational management
McKinsey & CompanyPartnerPrior role (dates not disclosed) Strategy advisory

External Roles

OrganizationRoleStart–EndNotes
NXP Semiconductors N.V.DirectorDec 2015–present Public company board
Avantor, Inc.DirectorMay 2020–present Public life sciences supplier board
Wheels Up Experience, Inc.DirectorSep 2024–present Public aviation board
State Street CorporationDirector2001–2025 Public financial services board (former)
Virgin Orbit Holdings, Inc.DirectorJan 2022–Aug 2023 Public space launch board (former)
NextGen Acquisition Corp I & IIDirectorJul 2020–Dec 2021 SPAC boards (former)
Star Mountain Capital, LLCSenior AdvisorNot disclosedPrivate investment advisor role

Board Governance

  • Independence: Board determined Mr. Summe is independent under Nasdaq rules . He serves as non-employee Chair; no Lead Independent Director is used because the Chair is independent .
  • Committee assignments and chair roles:
CommitteeAssignmentChair?
AuditMember No
CompensationMember No (Chair: Steven Mizell)
Nominating & Corporate GovernanceMember Yes
Board of DirectorsDirectorChair of the Board
  • Attendance and engagement:
BodyMeetings in 2024Summe Attendance
Board of Directors5 Attended all
Audit Committee2 Attended all
Compensation Committee4 Attended all
Nominating & Corporate Governance Committee1 Attended all
  • Compensation Committee governance: Committee members (including Summe) are independent; the committee engaged Compensia as independent consultant; no insider participation or interlocks reported .

Fixed Compensation

  • 2024 non-employee director compensation (actual):
ComponentAmount ($)Detail
Cash Fees67,418 Includes $59,384 deferred into DSUs and $8,034 paid in cash
RSU Grant (Initial)449,990 Grant-date fair value under ASC 718; vests time-based
Options/OtherCompany does not grant options to directors
Total517,408 Sum of cash fees and RSUs
  • Program terms (non-employee directors):
    • Cash retainers: Annual $50,000; additional $50,000 for non-executive Board Chair; committee chair retainers $20,000 (Audit), $15,000 (Comp), $10,000 (Nominating); member retainers $10,000/$7,500/$5,000 respectively; prorated by service .
    • Equity: Initial RSU ~$450,000 at appointment; annual RSU ~$250,000 at the annual meeting, prorated if service <6 months .
    • Deferred compensation plan allows deferral of cash/RSUs; effective July 15, 2024 .

Performance Compensation

Equity Award TypeGrant ValueVesting SchedulePerformance Metrics
Initial RSU grant (director)~$450,000 1/3 each on first three anniversaries, continued service required None disclosed; time-based vesting only
Annual RSU grant (director)~$250,000 Vests in full on the earlier of 1-year post grant or next annual meeting, continued service required None disclosed; time-based vesting only
Change-in-Control treatmentN/ADirector RSUs vest in full immediately prior to change-in-control if not continuing as a board member post-transaction Not performance-based

Note: GRAIL indicates it does not time equity grants around MNPI and maintains a clawback policy for executive incentive compensation; director equity is time-based, with no disclosed performance metrics .

Other Directorships & Interlocks

External CompanySectorRelationship to GRALRole/Start
NXP Semiconductors N.V.Semiconductors Not disclosed in proxy Director; Dec 2015
Avantor, Inc.Life Sciences supplier Not disclosed in proxy Director; May 2020
Wheels Up Experience, Inc.Aviation Not disclosed in proxy Director; Sep 2024
State Street CorporationFinancial services Not disclosed in proxy Director; 2001–2025
Virgin Orbit Holdings, Inc.Space launch Not disclosed in proxy Director; Jan 2022–Aug 2023
NextGen Acquisition Corp I & IISPAC Not disclosed in proxy Director; Jul 2020–Dec 2021

Expertise & Qualifications

  • Extensive operating leadership (PerkinElmer Chairman/CEO/President) and private equity experience (Carlyle Vice Chairman/MD; Glen Capital Founder/MP) .
  • Cross-industry board experience spanning semiconductors, life sciences, aviation, and financial services .
  • Advanced education in engineering and business (B.S., M.S., MBA/Wharton) .
  • Independent Chair structure supports separation of oversight and management; board chairs and committees led by independent directors .

Equity Ownership

MeasureAmountNotes
Beneficial Ownership (shares)3,780 Fully vested deferred stock units
Ownership % of Outstanding<1% Based on 35,296,858 shares as of Mar 31, 2025
Unvested RSUs (as of 12/31/24)26,470 Director RSU awards outstanding
OptionsN/A No director options outstanding
Hedging PolicyProhibits hedging of company securities for directors Insider Trading Policy filed with 10-K
Section 16 ComplianceNo late filings noted for Summe in 2024; late Form 4s reported for othersCompliance narrative

Governance Assessment

  • Board effectiveness signals:
    • Independent Chair with majority-independent board and independent committee leadership, including Summe chairing Nominating & Corporate Governance .
    • 100% meeting attendance in 2024 across board and committees indicates high engagement .
    • Compensation Committee independence and use of an external consultant (Compensia) with no conflicts enhances pay governance .
  • Alignment and incentives:
    • Director comp mix emphasizes equity (initial ~$450k RSU grant) and allows DSU elections; Summe deferred most cash fees into DSUs (3,780 shares), supporting ownership alignment .
    • Director RSUs are time-based; no performance metrics disclosed for directors; change-in-control provides acceleration if not continuing post-transaction .
  • Structural considerations affecting investor confidence:
    • Illumina holds 12.76% and has a Stockholder and Registration Rights Agreement with proportional voting proxy, plus post-spin tax/separation restrictions; these are firm-level governance dynamics to monitor (not specific to Summe) .
  • Watch items:
    • Multiple concurrent public company directorships (NXP, Avantor, Wheels Up) may warrant monitoring for time commitments relative to GRAIL’s regulatory and commercialization milestones .
    • Director equity awards accelerate upon change-in-control if not continuing; standard but relevant in strategic scenarios .

RED FLAGS: None disclosed specific to Summe in the proxy (independence affirmed, full attendance, no Section 16 delinquency noted for Summe, no related-person transactions involving him disclosed) .