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Leo S. Mackay, Jr.

Director at AEE
Board

About Leo S. Mackay, Jr.

Independent director since 2020 (age 63). Senior Vice President, Ethics and Enterprise Assurance and Chief Sustainability Officer at Lockheed Martin; serves on Ameren’s Audit and Risk Committee and Nuclear, Operations and Environmental Sustainability Committee. Determined independent by the Board in February 2025.

Past Roles

OrganizationRoleTenureCommittees/Impact
Lockheed Martin CorporationSenior Vice President, Ethics & Enterprise Assurance; Chief Sustainability OfficerAug 2018–PresentOversight of ethics, internal audit, compliance, sustainability; risk management expertise
Lockheed Martin CorporationSenior Vice President, Internal Audit, Ethics & SustainabilityJun 2016–Jul 2018Internal audit leadership; governance and controls
Lockheed Martin CorporationVice President, Ethics & SustainabilityJul 2011–Jul 2016Ethics program and sustainability strategy
ACS State Healthcare, LLCChief Operations OfficerNot disclosedOperational leadership
U.S. Department of Veterans AffairsLeadership rolesNot disclosedGovernmental and regulatory experience
Bell Helicopter Textron, Inc.Leadership rolesNot disclosedOperations and compliance experience

External Roles

OrganizationRoleTenureNotes
Cognizant Technology Solutions CorporationDirectorOct 2012–PresentCurrent public company directorship
Lockheed Martin CorporationSenior Vice President; Chief Sustainability OfficerAug 2018–PresentOutside employment (not a directorship)

Board Governance

  • Committee assignments: Audit and Risk; Nuclear, Operations and Environmental Sustainability (NOESC). Not a committee chair.
  • Committee activity: Audit and Risk met 10x in 2024; NOESC met 6x in 2024.
  • Independence: Affirmatively determined independent under NYSE and company standards (Feb 2025).
  • Attendance and engagement: Board held 7 meetings in 2024; average director attendance ~98%; each director attended at least 83% of Board/committee meetings; all incumbent directors attended the 2024 annual meeting (virtual).
  • Board leadership: Lead Independent Director is Ellen M. Fitzsimmons; Lead Director responsibilities include presiding over executive sessions, agenda approval, liaison duties, and shareholder availability.

Fixed Compensation

Component (2024)Amount ($)Notes
Annual cash retainer125,000Standard non-management director cash retainer
Equity grant (common stock)150,072Immediately vested; Mackay elected to defer 2024 stock award into stock units
Committee chair feeOnly for chairs ($20,000); Mackay was not a chair in 2024
Lead Director fee$30,000 applies to Lead Director (not Mackay)
Total (cash + equity)275,0722024 director compensation
  • Program structure: Non-management director pay includes $125,000 cash retainer and annual equity grant; equity component increased to $170,000 for 2025; travel reimbursement and optional deferrals permitted.

Performance Compensation

ItemDetail
Performance-based director payNone disclosed; annual equity grants are immediately vested common stock (not performance-conditioned)
Options/PSUs for directorsNot disclosed; 2024 director table shows no options or non-equity incentives for directors

Other Directorships & Interlocks

  • Current public board: Cognizant Technology Solutions Corporation (since Oct 2012).
  • Independence review: Board assessed director affiliations and ordinary-course transactions; Mackay was determined independent, and transactions involving other directors were below thresholds and not material to independence.
  • Related person transactions: None in 2024.

Expertise & Qualifications

  • Skills highlighted by Ameren: Operations, regulatory, accounting, financial, risk management, internal audit, compliance, environmental and sustainability, governmental, human capital, and administrative experience; aligns with Audit and Risk and NOESC committee work.

Equity Ownership

Ownership ElementAmountPercentNotes
Common shares beneficially owned (Mar 10, 2025)9,865*“Less than one percent” indicated by asterisk
Deferred Stock Units (DSUs)9,770Under Directors Deferred Compensation Plan; includes dividend equivalents
Hedging/pledgingProhibitedAnti-hedging and anti-pledging policies for directors and executives
Director ownership guideline5x cash retainerMust meet within 5 years of election; Mackay elected in 2020 and has until Dec 2025 to comply
Section 16(a) compliance (2024)CompliantAll directors and executives timely filed in 2024

Governance Assessment

  • Board effectiveness: Mackay’s audit, compliance, and sustainability credentials align with his Audit and Risk and NOESC committee roles, supporting oversight of enterprise risk, operations, and environmental sustainability.
  • Independence and conflicts: Board affirmed his independence; no related person transactions in 2024; anti-hedging/pledging policies reduce alignment risks.
  • Compensation alignment: Simple, transparent director pay (cash retainer + immediately vested stock), with optional deferral into DSUs; equity component increased for 2025, consistent with peer benchmarking; no incentive payouts or options that could create misalignment.
  • Attendance signal: Strong Board-wide engagement (avg ~98% attendance; policy expects annual meeting attendance); supports investor confidence in oversight rigor.

RED FLAGS: None disclosed specific to Mackay. Not yet required to meet the 5x retainer ownership guideline until Dec 2025; monitor progress toward compliance as the deadline approaches.

Best AI for Equity Research

Performance on expert-authored financial analysis tasks

Fintool-v490%
Claude Sonnet 4.555.3%
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GPT 546.9%
Grok 440.3%
Qwen 3 Max32.7%

Best AI for Equity Research

Performance on expert-authored financial analysis tasks

Fintool-v490%
Claude Sonnet 4.555.3%
o348.3%
GPT 546.9%
Grok 440.3%
Qwen 3 Max32.7%