PHILADELPHIA--(BUSINESS WIRE)--March 13, 2006--PolyMedix, Inc. announced today that it has elected Dr. William Kelley and Shaun O’Malley to its Board of Directors. William Kelley, M.D. is Professor of Medicine and Professor of Biochemistry and Biophysics at the School of Medicine of the University of Pennsylvania. He has been associated with the University of Pennsylvania for more than 25 years. From 1989 to 2000 he was Executive Vice President with responsibilities as Chief Executive Officer for the Medical Center, Dean of the School of Medicine, and the Robert G. Dunlop Professor of Medicine and Biochemistry and Biophysics. He became the Chief Executive Officer of the University of Pennsylvania Health System when it was established in 1993. Prior to joining U Penn, from 1975 to 1989, Dr. Kelley was the John G. Searle Professor and Chair of the Department of Internal Medicine and Professor of Biological Chemistry at the University of Michigan. He began his academic career in 1968 at Duke University Medical Center where he became Professor of Medicine. He received his medical degree from Emory University.