Executive Leadership

Our executive leadership team is dedicated to getting people back to work and productivity, IMAgining solutions and clarity in complex situations, and to bringing true value to our clients and study sponsors.

David C. Pulver, MD
Executive Chairman

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

Tim Weaver
Senior Vice President, Government Services

Laura Norris
Vice President, Payer Services

Dana Poff
Executive Vice President, Clinical Research

Sara Mulick
Senior Vice President of Sales

Erica Stirling, Esq
General Counsel and Chief Compliance Officer