Dr. Elfarra received his B.S. degree in Pharmacy at Cairo University, Cairo, Egypt, in 1975 and his Ph.D. degree in Medicinal Chemistry at the University of Minnesota, Minneapolis, MN, in 1983. In 1985, Dr. Elfarra joined Shell Development Company in Houston, Texas as an associate research toxicologist after he completed his postdoctoral training in Pharmacology at the University of Rochester in Rochester, NY. Dr. Elfarra joined the University of Wisconsin-Madison as assistant professor in 1986. He was promoted to associate and full professor in 1992 and 1996, respectively. He served as the ch...