Board of Directors Mark A. Buthman Retired Executive Vice President and Chief Financial Officer, Kimberly-Clark Corporation William F. Feehery, Ph.D. Chief Executive Officer, Certara Robert F. Friel Retired Chairman and Chief Executive Officer of PerkinElmer, Inc. Eric M. Green President and Chief Executive Officer, West Pharmaceutical Services, Inc. Thomas W. Hofmann Retired Senior Vice President and Chief Financial Officer, Sunoco, Inc. Paula A. Johnson, M.D., MPH President, Wellesley College Deborah L.V. Keller Principal, Black Frame Advisors, LLC and Retired CEO, Covance Drug Development Myla P. Lai-Goldman, M.D. Executive Chair, GeneCentric Therapeutics, Inc. Douglas A. Michels Retired President and Chief Executive Officer, OraSure Technologies, Inc. Paolo Pucci Retired Chief Executive Officer, ArQule, Inc. Patrick J. Zenner Chairman of the Board - West; Retired President and Chief Executive Officer of Hoffmann-La Roche Inc.