Meet Our Executive Leadership Team

IMAgining and executing a vision to enhance the livelihood and productivity of individuals and organizations through unparalleled diversity, coverage and breadth of capabilities.

David C. Pulver, MD

Executive Chairman

Mark Weinberger

Mark I. Weinberger, PhD, MPH

President & CEO

Victor Cohen

Chief Financial Officer

Lisa A. Letarte, Esq, SPHR, SHRM-SCP

Chief Human Resources Officer

Michael Hirsch

Chief Information Officer

Michael Koenig

Chief Information Security & Technology Officer

Cathy Dancy

VP of Human Resources & Compliance

Dana Poff

Executive Vice President, Clinical Research

Elijah Marentette

Vice President of Operations, Payer Services

Debra Nichols

Chief Commercial Officer, Clinical Research