David J. Katz, MD Dr. Katz graduated in 1965 from Washington & Jefferson College in Washington, PA. He received his medical degree from Jefferson Medical College in Philadelphia and completed his internship at Philadelphia General Hospital. He trained as a resident in surgery and in urology at the University of Wisconsin- Madison. Dr. Katz joined Western Wisconsin Urology in 1976. He is certified by the American Board of Urology. [ back to top ]
	James S. Iwakiri, MD, FACS Dr. Iwakiri earned his bachelors of science degree in two years from Northwestern University in Evanston, IL, and went on to graduate first in his class from Northwestern Medical School in Chicago in 1988. He completed residencies in surgery and in urology at Stanford University Medical Center, where he was chief resident in urology from 1993-94. He then joined Western Wisconsin Urology in 1994. Dr. Iwakiri is certified by the American Board of Urology and is a Fellow of the American College of Surgeons. He is the recipient of numerous academic honors, is the author of four published research articles, and has lectured extensively on urological topics. [ back to top ]
	Michael S. Hirsh, MD Dr. Hirsh joined Western Wisconsin Urology in 1999. He graduated in 1989 from Emory University in Atlanta, GA. He then earned his medical degree from Tulane University School of Medicine in New Orleans, LA. He completed residencies in surgery and in urology at the University of Texas Medical School at Houston before coming to Wisconsin. He is certified by the American Board of Urology. [ back to top ]
	Christopher K. Tornehl, MD Dr. Christopher Tornehl graduated in 1998 from the University of Wisconsin, Madison. He earned his medical degree from the University of Wisconsin Medical School, Madison, in 2002. Dr. Tornehl completed his residency in urology at the University of North Carolina at Chapel Hill, in June of 2007. [ back to top ]