Mr. Lowenthal has served as our Vice President, Regulatory Affairs and Quality Assurance since November 2004. From November 2002 to November 2004, Mr. Lowenthal served as Senior Director, Worldwide Regulatory Affairs and Drug Safety of Maxim Pharmaceuticals, Inc., a biopharmaceutical company. From December 2001 to November 2002, he served as Vice President of Regulatory Affairs and Quality Assurance of AnGes, MG, Inc., a biopharmaceutical company. From June 1996 to December 2001, Mr. Lowenthal served in various roles in regulatory affairs at Janssen Research Foundation, a division of Johnson & Johnson, most recently as the Global Director of Chemistry, Manufacturing and Control Regulatory Affairs. Prior to joining Janssen, he served as the Director of Regulatory Affairs and Quality Assurance of Somerset Pharmaceuticals, Inc., a proprietary research and development pharmaceutical company. Mr. Lowenthal holds a B.S. in biochemistry and a M.S. in organic chemistry from Florida State University.