Dr. Rosenberg has served as one of our directors since March 2005. Since 2003, Dr. Rosenberg has been the Chief Scientific Officer of Promega Corporation, a biotechnology company. From 2001 to 2003, Dr. Rosenberg served as Vice President, Research and Development of Promega Corporation. From 2000 until 2001, Dr. Rosenberg was Senior Vice President, Anti-Infectives, Drug Discovery at GlaxoSmithKline, a pharmaceutical company. From 1996 until 2000, Dr. Rosenberg was Senior Vice President, Anti-Infectives at SmithKline Beecham Corporation, a predecessor company to GlaxoSmithKline. Prior to 2000, Dr. Rosenberg held a variety of roles of increasing responsibility with SmithKline Beecham Corporation. Before joining SmithKline Beecham, Dr. Rosenberg spent 10 years at the National Institutes of Health and was a Section Chief at the National Cancer Institute. Dr. Rosenberg is a director of Promega Corporation, the Medical College of Wisconsin Research Foundation, and Scarab Genomics, a biotechnology company. He also serves as a member of the Advisory Council for the National Institutes of Allergy & Infectious Diseases at the National Institute of Health. He participates on a variety of academic and industry Scientific Advisory Boards and holds an adjunct Professorship at the University of Wisconsin, Department of Bacteriology, Madison, WI. Dr. Rosenberg is an Editor of Microbial Biotechnology, a Senior Editor of the Journal of Bacteriology and a member of several other journal Editorial Boards. Dr. Rosenberg received a B.A. degree from the University of Rochester and a Ph.D. from Purdue University.