Lance Willsey, M.D. has been a director since April 1997. Dr. Willsey was a founding partner of DCF Capital, a hedge fund focused on investing in the life sciences, from July 1998 to March 2002, and currently is a consultant to institutional investors in the field of oncology. Since 2000, Dr. Willsey has served on the Visiting Committee of the Department of Genitourinary Oncology at the Dana Farber Cancer Institute at Harvard University School of Medicine. From July 1997 to July 1998, he served on the Staff Department of Urologic Oncology at the Dana Farber Cancer Institute. From July 1996 to July 1997, Dr. Willsey served on the Staff Department of Urology at Massachusetts General Hospital at Harvard University School of Medicine, where he was a urology resident from July 1992 to July 1996. From 2000 to 2010, Dr. Willsey served a member of the board of directors of Exact Sciences Corporation, a publicly-held biotechnology company. Dr. Willsey holds a B.S. in Physiology from Michigan State University and an M.S. in Biology and an M.D., both from Wayne State University.