Dr. Tobias Köhler, Professor of Urology, specializes in andrology which includes treatment of male infertility, erectile and sexual dysfunction, and BPH (enlarged prostate). He received both his undergraduate and medical degrees from the University of Minnesota in Minneapolis. He completed a Masters of Public Health in Epidemiology. He then completed his urology residency training at the University of Minnesota. This was followed by an andrology fellowship at Northwestern School of Medicine in Chicago. Dr Kohler spent 9 years at Southern Illinois University School of Medicine. He matriculated to the Mayo Clinic in Rochester, Minnesota in 2017.

Dr. Köhler is a member of several medical societies related to male infertility and sexual dysfunction. He has published more than 100 peer reviewed scientific articles and book chapters and presented both locally and nationally on various subjects including preservation of male fertility, erectile dysfunction, low testosterone, BPH, resident education, and penile prostheses. He is a physician trainer for penile prosthesis insertion both in the United States and Germany.