David P. Perry
Chief Executive Officer

Karl R. Beutner, M.D., Ph.D.
Senior Vice President and Chief Medical Officer

Christine E. Gray-Smith
Senior Vice President and Chief Financial Officer

Kirk R. Maples, Ph.D.
Senior Vice President, Program Management

Jacob J. Plattner, Ph.D.
Senior Vice President, Research

Irwin A. Heyman, Ph.D.
Vice President, Nonclinical Development

James R. Marconi
Vice President, Finance and Controller