EXECUTIVE MANAGEMENT

• Mitchell H. Gold, M.D.
  President and Chief Executive Officer and Director
• Hans E. Bishop
  Executive Vice President and Chief Operating Officer
• Mark W. Frohlich, M.D.
  Senior Vice President, Clinical Affairs and Chief Medical Officer
• Richard F. Hamm, Jr.
  Senior Vice President, Corporate Development, General Counsel, and Secretary
• Richard J. Ranieri
  Senior Vice President, Human Resources
• Gregory T. Schiffman
  Senior Vice President and Chief Financial Officer
• David L. Urdal, Ph.D.
  Senior Vice President, Chief Scientific Officer and Director