Patrick D. Guinan, MD, MPH, is a Clinical Associate Professor in the Department of Urology of the University of Illinois, College of Medicine in Chicago. He completed his internship at Cook County hospital in 1962 and finished the Urology Residency at CCH in 1969. In 1975, He received a Master’s Degree in Public Health from Columbia University, New York. He served as Chairman of the Division of Urology at Cook County Hospital from 1975 to 1985 and at University of Illinois at Chicago from 1978 to 1985. He was Director of Urology of the City of Chicago, Department of health from 1970 to 1975. He is currently Chairman of the Board of the Hetkoen Institute.