About

Thomas Harrison joined the Agenus board in 2024 and has served as Lead Director since July 2025, chairing the Audit and Finance Committee and the Corporate Governance and Nominating Committee; the board has determined he qualifies as an audit committee financial expert. He is Senior Operating Partner at Merida Capital Partners.

He has been Chairman Emeritus of the Diversified Agency Services Division of Omnicom Group since 2016, having served as that division's Chairman and CEO from 1997 to 2016, overseeing marketing services businesses across public relations, crisis management, branding and healthcare advertising, and he earlier co-founded Harrison & Star Business Group, serving as its Chairman and CEO from 1987 to 1997. He holds Master of Science and Doctoral degrees from West Virginia University.

Roles

Agenus Inc.
Lead Director · Current role
2024–present
Merida Capital Partners
Senior Operating Partner · Current role
—
Omnicom Group, Inc. (Diversified Agency Services Division)
Chairman and CEO · Chairman Emeritus since 2016
1997–2016
Harrison & Star Business Group
Co-founder, Chairman and CEO
1987–1997
Omnicom Group, Inc. (Diversified Agency Services)
Chairman (Chairman Emeritus) · Led DAS to become the largest division within Omnicom, with annual revenues over $6 billion
—

External Roles

AFC Gamma
Director
—
Acurx Pharmaceuticals
Director
—

Fixed Compensation

Performance Compensation

Director Compensation

FY 2025
Fees Earned or Paid in Cash
$110,833
Option Awards
$64,208
BasisGrant-date fair value, ASC Topic 718
Total
$175,041

Also at Agenus Inc.

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