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Ellen Costello

Director at CITIGROUPCITIGROUP
Board

About Ellen M. Costello

Ellen M. Costello, age 70, has served as an independent director of Citigroup Inc. since 2016 and joined the Citibank, N.A. board in 2024. She is the former President & CEO of BMO Financial Corporation and former U.S. Country Head for BMO Financial Group, with three decades of global banking experience across treasury, capital markets, personal and commercial banking, and risk. Current public company directorships: None; prior five years: Diebold Nixdorf, Inc.; other activities: Member, Economic Club of Chicago .

Past Roles

OrganizationRoleTenureCommittees/Impact
BMO Financial CorporationPresident & CEO; U.S. Country Head, BMO Financial Group2011–2013 Led U.S. operations; regulatory and governance oversight
BMO Harris Bank N.A., BMO Financial GroupGroup Head, Personal & Commercial Banking U.S.; President & CEO2006–2011 P&C strategy, regulatory compliance, financial reporting
BMO Financial Group (Capital Markets)Vice Chairman & Head, Securitization and Credit Investment Management; Merchant Banking; Head NY Office2000–2006 Corporate/investment banking, asset management
BMO Financial GroupEVP, Strategic Initiatives, Capital Markets Group2000 Strategy initiatives
BMO Financial GroupEVP & Head, Global Treasury Group1997–1999 Global treasury leadership
BMO Financial GroupSVP & Deputy Treasurer, Global Treasury1995–1997 Treasury management
BMO Financial GroupManaging Director & Regional Treasurer, Asia Pacific, Global Treasury1993–1994 Asia-Pacific treasury leadership
BMO Financial GroupMD & Head, North American Financial Product Sales, Global Treasury1991–1993 Treasury product sales leadership

External Roles

OrganizationRoleTenureCommittees/Impact
Diebold Nixdorf, Inc.Director (prior 5 years)Not specified (within last 5 years) Global operations/fintech exposure
DH CorporationDirector (prior)Not specified Financial technologies experience
Economic Club of ChicagoMemberCurrentCivic/business engagement

Board Governance

  • Independence: The Board determined Ms. Costello is independent under NYSE/SEC/FDIC standards; NGPA Committee reviewed related relationships and confirmed compliance .
  • Audit Committee: Member; Chair: James S. Turley; 18 meetings in 2024; designated an SEC “audit committee financial expert”; financially literate under NYSE rules .
  • Risk Management Committee: Member; Chair: Duncan P. Hennes; 16 meetings in 2024 .
  • Attendance/Engagement: Board met 26 times; each incumbent director attended at least 75% of Board and relevant committee meetings in 2024; non-management directors held executive sessions at every regularly scheduled Board meeting .
  • Citibank, N.A.: Director since 2024 (subsidiary board) .
CommitteeRoleChair2024 MeetingsNotes
AuditMemberJames S. Turley18 Audit committee financial expert; independence affirmed
Risk ManagementMemberDuncan P. Hennes16 Oversight of firm-wide risk framework

Fixed Compensation

  • Citi’s director pay is primarily equity-based; no meeting fees; hedging/pledging of Citi stock by directors prohibited .
  • Committee fee schedule (Citi committees): Member $30,000; Chair $50,000. Citibank, N.A. board: Member $25,000; Citibank committee member $15,000. Non-executive Chair fee (Citi) $500,000; TOC member fee $20,000 .
  • Retainer/Equity construct: The Retainer and Deferred Stock Award together total $225,000 (components applicable to all directors) .
Component (2024)Amount/DetailsSource
Fees Earned or Paid in Cash (SEC presentation)$243,750 2024 Director Compensation table
Stock Awards (Grant-date fair value)$150,000 Annual Deferred Stock Award
Total 2024 Director Compensation$393,750 SEC table
Fees Paid Currently in Cash$18,750 Election schedule
Fees Deferred to Stock – Units3,535 units In lieu of cash retainer/committee fees
Fees Deferred to Stock – Value$225,000 In lieu of cash retainer/committee fees

Notable alignment signal: Ms. Costello elected to receive all 2024 Citi cash retainer and committee fees in deferred stock (except $18,750 paid currently in cash) .

Performance Compensation

Non-employee director equity is time-based (not performance-metric based). Annual director stock awards are granted in January; the common stock subject to the award becomes distributable approximately on the first anniversary of the grant. No performance metrics or bonus plans apply to non-employee directors .

Award TypePerformance MetricsVesting/Distribution2024 Grant Detail
Deferred Stock Award (annual)None (time-based) Distributable ~1 year after grant 2,922 shares; $150,000 grant-date fair value

Other Directorships & Interlocks

CompanyStatusRoleNotes
Citibank, N.A. (subsidiary)CurrentDirector (since 2024)Subsidiary board; additional member fees per schedule
Diebold Nixdorf, Inc.Prior (within last 5 years)DirectorPrior public company board service
DH CorporationPriorDirectorPrior board service in fintech
  • No current public company directorships; Audit Committee service count compliant with “no more than three” audit committees guideline .

Expertise & Qualifications

  • Financial services leadership (CEO, U.S. Country Head), risk management, financial reporting, operations/technology, and regulatory/compliance across U.S., Canada, and Asia .
  • Designated Audit Committee Financial Expert; financially literate under NYSE rules .
  • Experience spanning global treasury, capital markets, securities, trading, and asset management; enhances regulatory/stakeholder engagement .

Equity Ownership

  • Stock ownership commitment: Directors must retain 75% of equity awarded while serving on the Board; hedging/pledging prohibited .
Metric (as of dates shown)Shares/ValueSource
Common Stock Beneficially Owned (excl. options) as of Mar 3, 202570,590 Beneficial Ownership table
Owned with family/trust as of Mar 3, 2025600 Beneficial Ownership table
Total Beneficial Ownership as of Mar 3, 202571,190 Beneficial Ownership table
Receipt Deferred (shares subject to award with deferred receipt)2,117 Beneficial Ownership table
Total Ownership (Section 16 basis)73,307 Beneficial Ownership table
Aggregate Deferred Stock Outstanding at Dec 31, 202466,669 DSU outstanding schedule

At March 3, 2025, no director or executive officer beneficially owned more than 1% of Citi’s outstanding common stock; directors and executive officers as a group owned ~0.08% .

Governance Assessment

  • Alignment and incentives: Strong alignment given election to receive essentially all 2024 retainer/committee fees in stock ($225,000 deferred into 3,535 units), plus standard annual $150,000 stock award; robust 75% stock retention requirement and anti-hedging/pledging policy reinforce long-term alignment .
  • Independence and conflicts: Independence affirmed after NGPA’s related-party review; no related-party transactions requiring disclosure; no adverse legal proceedings disclosed involving directors .
  • Effectiveness and engagement: Serves on both Audit (financial expert) and Risk Management committees, which held 18 and 16 meetings, respectively; all incumbents met the ≥75% attendance expectation; frequent executive sessions of non-management directors indicate rigorous oversight .
  • Director pay structure: Program is primarily equity-based with no meeting fees; committee fees are transparent and modest relative to duties; director award and fees capped by plan governance; non-executive Chair compensation separately disclosed and below plan cap .
  • RED FLAGS: None identified. No hedging/pledging, no meeting fees, independence confirmed, and no related-party or legal concerns disclosed .