Harry F. Hixson, Jr., Ph.D., age 68, has served as a member of our board of directors since May 2001 and served as Chairman from November 2005 until September 2006. Dr. Hixson is currently Chairman of BrainCells, Inc., a private biopharmaceutical company, and served as Chief Executive Officer from its founding until 2005. From 1998 to 2002, Dr. Hixson served as Chief Executive Officer of Elitra Pharmaceuticals, a private biopharmaceutical company, and as its Chairman from 1998 to 2003. Dr. Hixson was employed by Amgen Inc., a publicly-traded biopharmaceutical company, from 1985 to 1991 and served as a Director and as the President and Chief Operating Officer of Amgen. Dr. Hixson was employed by Abbott Laboratories, a publicly-traded biopharmaceutical company, from 1974 through 1984 in various research and development and general management positions in the United States and Japan. Dr. Hixson is also Chairman of SEQUENOM, a publicly-traded human genetics products and services company, and a director of Arena Pharmaceuticals, a publicly-traded pharmaceutical company. Dr. Hixson received a B.S. in Chemical Engineering from Purdue University, an M.B.A. from The University of Chicago and a Ph.D. in Physical Biochemistry from Purdue University. Dr. Hixson has also received an Honorary Doctor of Science degree from Purdue University. |