Dr. Riesenfeld has served on the board of directors and as president of several bio-pharmaceutical companies, including Kamapharm Ltd., Galisar Ltd., and OticPharma. Moreover, he was previously the president of Pharmos Corporation, a publicly traded biotech company listed on NASDAQ. Dr. Riesenfeld holds a Ph.D. degree from the Faculty of Agriculture of the Hebrew University of Jerusalem and held a scientific position, as a post doctorate, at the Cedars Sinai Medical Center in Los Angeles, California.