SENIOR MANAGEMENT

The Company's senior management team has broad experience and complementary skills in fields ranging from molecular biology, chemistry, drug discovery and technology development, preclinical and clinical development to business development, corporate finance and general management.

P. Kay Wagoner, Ph.D.
President, Chief Executive Officer and Director

Richard D. Katz, M.D.
Executive Vice President, Finance and Corporate Development, Chief Financial Officer

Seth V. Hetherington, M.D.
Senior Vice President, Clinical and Regulatory Affairs

Douglas S. Krafte, Ph.D.
Vice President - Biology and Scientific Affairs

Gregory C. Rigdon, Ph.D.
Vice President, New Product Development

Mark J. Suto, Ph.D.
Vice President of Chemical and Pharmaceutical Sciences

Gregory S. Shotzberger, Ph.D.
Vice President, Business Development

Robert J. Jakobs, C.M.A.
Senior Director, Finance, and Assistant Secretary