Harry Fisch MD, FACS is a board-certified urologist at New York Presbyterian Hospital/Weill Medical College of Cornell University where he is a Clinical Professor of Urology and Reproductive Medicine. He is one of the nation's leading doctors in the diagnosis and treatment of men's health issues. Internationally renowned, he has pioneered microsurgical techniques for disorders associated with male infertility. He has also been named to the "Best Doctors in America and New York Magazine Top Doctor the past 9 years.

In his private practice in Manhattan, Dr. Fisch has successfully treated thousands of men and couples with sexuality and fertility problems. His research on sperm counts and endocrine disrupters has resulted in multiple research articles and international attention, and his work has been frequently cited in a variety of publications, including USA Today, The New York Times, and The Washington Post. He has appeared on television's 60 Minutes, 20/20, CNN and TODAY, and is a regular blogger and guest on the Dr. Oz show as a medical expert on Men's Health. Dr. Fisch is also the author of two books, "The Male Biological Clock" and "Size Matters." He is the host of the "Dr Harry Fisch Show" on SiriusXM radio.