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Jennifer Allerton

Director at IRON MOUNTAIN
Board

About Jennifer Allerton

Jennifer Allerton (age 73) is an independent director of Iron Mountain with 40+ years of information technology leadership, including CIO of F. Hoffmann-La Roche (2002–2012) and Technology Director at Barclaycard (1999–2002) . She has served on IRM’s board for 11 years and is currently a member of the Audit Committee and the Risk & Safety Committee; the Board has determined she is independent and that Audit Committee members qualify as “audit committee financial experts” . Education: BSc Mathematics (Imperial College London), BSc Physical Sciences & Geosciences (Open University, UK), MSc Physics (University of Manitoba), and MSc Finance (Open University, UK) .

Past Roles

OrganizationRoleTenureCommittees/Impact
F. Hoffmann-La RocheChief Information Officer (Pharma Division and Group IT)Jun 2002 – Jul 2012Led IT strategy/operations for pharma division and group-wide IT; extensive tech and data center application expertise .
Barclaycard (UK)Technology DirectorMay 1999 – Jun 2002Oversaw fraud operations and IT .

External Roles

OrganizationRoleTenureNotes
Barclays Bank Ireland (Barclays Europe)Board member (non-executive)CurrentEuropean bank subsidiary of Barclays; current service disclosed .
Sandvik ABNon-executive directorMay 2015 – Apr 2024Publicly held global manufacturing company (prior public role) .
Aveva plcNon-executive directorJul 2013 – Jul 2022Publicly listed on LSE during tenure (prior public role) .
Paysafe Group plcNon-executive directorMar 2017 – Dec 2017LSE-listed during tenure (prior public role) .

Board Governance

  • Independence and attendance: The Board determined all non-employee directors (including Allerton) are independent under NYSE rules; every incumbent director attended at least 75% of Board and applicable committee meetings in 2024; the Board held four meetings in 2024 and all standing committees met 4–5 times each .
  • Committee assignments (as of Apr 18, 2025): Audit Committee (member) and Risk & Safety Committee (member); Audit Committee members (including Allerton) are designated “audit committee financial experts” and financially literate; R&S oversees cybersecurity, AI, safety, insurance, and ERM .
  • Board leadership and engagement: Independent Chair (Pamela Arway) with executive sessions at each Board and committee meeting; active shareholder engagement policy overseen by N&G Committee .
  • Related-party oversight: Audit Committee approves/ratifies related-party transactions; no new related-person transactions required review in 2024 .

Fixed Compensation (Director)

Component2024 AmountNotes
Annual Board retainer (cash)$85,000Standard non-employee director cash retainer .
Committee member retainers (cash)$30,000$15,000 per committee; Allerton served on two (Audit; Risk & Safety) .
Total cash fees (Allerton 2024)$115,000Matches “Fees Earned or Paid in Cash” in 2024 Director Compensation table .
Chair retainers (if any)N/AAllerton was not a committee chair in 2024 .
2025 adjustmentsRetainer to $90,000; annual stock grant value to $220,000Effective Jan 1, 2025 .

Performance Compensation (Director Equity)

Grant DateInstrumentShares/UnitsGrant Date Fair ValueVestingNotes
May 30, 2024RSUs2,385$189,941Vested immediately on grantStandard annual grant for non-employee directors at 2024 meeting; value based on $190,000 target divided by FMV; immediate vesting .
2025 policyRSUsn/a$220,000 (value target)Per plan terms2025 annual grant value increased to $220,000 .
DeferralsPhantom stock (DDCP)n/an/an/aDirectors may defer cash retainers and/or RSUs into phantom stock; dividends accrue as phantom stock; paid in stock at elected dates; no company match .

Other Directorships & Interlocks

CategoryDetails
Current public company boardsNone listed for Allerton in IRM proxy; current role is at Barclays Bank Ireland (subsidiary; not disclosed as a public listing) .
Prior public company boardsSandvik AB (2015–2024), Aveva plc (2013–2022), Paysafe Group plc (2017) .
Committee roles elsewhereNot specified in IRM proxy beyond company listings .
Interlocks/conflictsNo related-person transactions disclosed for 2024; Audit Committee reviews per policy .

Expertise & Qualifications

  • Technology and cybersecurity: 40+ years in IT leadership; prior CIO of Roche; Risk & Safety Committee oversight includes cybersecurity and AI risks .
  • Financial oversight: Audit Committee member; Board designated Audit members as “audit committee financial experts”; financially literate per NYSE standards .
  • Education: BSc Mathematics (Imperial College), BSc Physical Sciences & Geosciences (Open University, UK), MSc Physics (Univ. of Manitoba), MSc Finance (Open University, UK) .
  • Global operations: Led complex international IT operations; experience across multinational enterprises .

Equity Ownership

ItemDetail
Beneficial ownership (Mar 5, 2025)16,495 shares; less than 1% of outstanding .
Ownership guidelinesDirectors must hold stock ≥6x annual Board cash retainer; all non-employee directors in compliance as of Apr 18, 2025 .
Pledging/hedgingProhibited for directors (hedging and pledging banned; no margin accounts) .
Section 16 complianceAll required filings made on time in 2024; no delinquencies .

Governance Assessment

  • Strengths for investor confidence:

    • Independent director with dual oversight on Audit and Risk & Safety; designated audit committee financial expert status enhances financial and risk oversight .
    • Strong attendance and independent Board structure with an independent Chair; executive sessions at each meeting .
    • Aligned incentives: majority of director pay in equity (2024: $189,941 equity vs $115,000 cash for Allerton); stock ownership requirement (6x retainer) and company-wide prohibitions on hedging/pledging .
    • No related-party transactions in 2024 and robust Related Persons Policy .
    • Shareholder-friendly signals: 2024 Say-on-Pay support ~96% and ongoing investor engagement policy .
  • Watch items:

    • Tenure is 11 years (balance with ongoing refreshment noted by new director appointment in 2025); investors may monitor continued refreshment and skill mix over time .

Overall, Allerton brings deep technology, cybersecurity, and multinational operating expertise to Audit and Risk oversight, with clear independence, strong attendance, and equity-aligned compensation—factors supportive of board effectiveness and investor confidence .