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.

Dermatologist 



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
 




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
   
   Dr. Ari Kellen

Executive Vice President/Company Group Chairman
 Robert Rosiello  Robert Rosiello

Executive Vice President, Corporate Development and Strategy
   
Thomas Appio

Executive Vice President/President, Asia Pacific



Anne Whitaker Anne Whitaker

Executive Vice President/Company Group Chairman
   
Pavel Mirovsky Dr. Pavel Mirovsky

President and General Manager, Europe