David F. Hale

Chairman of the Board

David F. Hale has been Chairman since February 2004 and has served as a member of our board of directors since June 2000. Mr. Hale currently serves as Chairman and Chief Executive Officer of Hale BioPharma Ventures, LLC. and as Executive Chairman of Biocept, Inc. Mr. Hale has served as the Chairman of the board of directors at Somaxon since its founding in August 2003. Previously Mr. Hale was President and Chief Executive Officer of CancerVax Corporation and also served as a director. Mr. Hale was previously Chairman of Micromet, Inc. (a successor company to CancerVax) until Micromet was acquired by Amgen Inc. Prior to joining CancerVax, Mr. Hale served as President and Chief Executive Officer and a director of Women First HealthCare, Inc. He previously served as Chairman, President and Chief Executive Officer of Gensia Inc., which became Gensia Sicor Inc. Mr. Prior to joining Gensia, Mr. Hale served as Chief Operating Officer, President, Chief Executive Officer and a director of Hybritech, Incorporated. Mr. Hale holds a B.A. in biology and chemistry from Jacksonville State University.