Human cells, illustration

Management Team

David J. Mazzo, PhD
President and Chief Executive Officer
Kristen K. Buck, MD
Executive Vice President of R&D and Chief Medical Officer
Gregory S. Berkin
Chief Information Officer
Gail Holler
Vice President, Human Resources
John D. Menditto
Vice President, Investor Relations and Corporate Communications
James Nisco
Vice President, Finance and Treasury
Tariq Imam
Vice President, Business Development and Operations and Corporate Counsel