Harry T. McMahon — Board Member Accountability Profile
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Harry T. McMahon — Board Member Accountability Profile

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Harry T. McMahon — Board Member Accountability Profile

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Category: Private Citizen — Corporate Director Role: Board Director, Parsons Corporation Board Tenure: 2018 – present Committee Memberships: Audit & Risk; Compensation & Management Development Profile Type: Board Member Accountability — Anchor B (Documented Organizational Leadership)

> Basis for Inclusion: Harry T. McMahon holds a documented governance role at Parsons Corporation. Parsons Corporation is a major defense, intelligence, and government infrastructure services company deriving nearly all its revenue from U.S. federal government contracts — including classified national security, cyber, and intelligence programs. Parsons made documented political donations to Trump-aligned entities while holding billions in defense and intelligence contracts directly funded through presidential budget decisions. This profile documents the factual governance relationship, not the subject’s personal political views.

> Subject Classification: Private Citizen / Corporate Director. Board membership is a matter of public record.

> What is NOT the basis for inclusion: Personal political opinions, party affiliation, or protected speech are NOT the basis for inclusion.

Biographical Overview

Harry T. McMahon is a veteran investment banker who spent much of his career at Bank of America and Merrill Lynch, where he served as an Executive Vice President and co-head of Global Corporate Finance. In this role, he oversaw major corporate financing, M&A advisory, and capital markets transactions for large institutional clients. McMahon’s investment banking background brings capital markets expertise and financial oversight capability to the Parsons board, where he serves on the Audit & Risk Committee. His board tenure predates the 2019 Parsons IPO, meaning he helped guide the company’s transition to public markets.

Board Role and Governance Authority

  • Company: Parsons Corporation (NYSE: PSN)
  • Board tenure: 2018 – present
  • Committee assignments: Audit & Risk Committee; Compensation & Management Development Committee
  • Source: Parsons DEF 14A filed March 2, 2026; SEC EDGAR

Other Current Board Memberships (if applicable)

  • Not publicly identified

Parent Corporate Donor Profile

This profile is a governance-accountability companion to the Parsons Corporation corporate donor profile.

Sources

  • Parsons Corporation DEF 14A Proxy Statement filed March 2, 2026; SEC EDGAR
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