Board of Directors

Joseph C. Papa

Chairman of the Board and Chief Executive Officer
Robert A. Ingram Robert A. Ingram

General Partner, Hatteras Venture Partners
Robert N. Power
Robert N. Power

Corporate Director
D. Robert Hale  
D. Robert Hale

Partner, ValueAct Capital

William A. Ackman William A. Ackman

CEO, Pershing Square Capital Management LP
Thomas W. Ross Thomas W. Ross

Lead Independent Director

Dr. Fred Eshelman Dr. Fred Eshelman

Corporate Director

Stephen Fraidin Stephen Fraidin

Vice Chairman, Pershing Square Capital Management, L.P.
Amy B. Wechsler, M.D. Amy B. Wechsler, M.D.


Dr. Argeris (Jerry) N. Karabelas Dr. Argeris (Jerry) N. Karabelas

Partner, Capital Care LLC

Russel C. Robertson Russel C. Robertson

Head, Anti-Money Laundering, BMO Financial Group

Sarah B. Kavanagh

Corporate Director
Richard U. DeSchutter

Corporate Director


Senior Management

Joseph C. Papa

Chief Executive Officer and Chairman of the Board

Paul Herendeen Paul Herendeen

Executive Vice President, Chief Financial Officer

 Christina Ackermann

Executive Vice President, General Counsel
Thomas Appio

Executive Vice President/President, Asia Pacific


William Humphries

Executive Vice President, Dermatology

Joseph Gordon

Senior Vice President/General Manager-Consumer Healthcare

Barbara Purcell

Senior Vice President-Neurology, Generics, Obagi

Dr. Tage Ramakrishna

Chief Medical Officer/President-R&D

Dennis Asharin

Senior Vice President-Manufacturing and Supply Chain

Kelly Webber

Senior Vice President-Human Resources
Dr. Louis Yu

Chief Quality Officer