Paul Perrin has been Professor of Urology at the University of Lyon since 1981. He received his degree in Medicine from the Claude Bernard University in Lyon and his postgraduate training included an internship and residency in Urology at the Hospices Civils University Hospital. Then he was awarded a fellowship with Roger Barnes in Loma Linda University in California. He was appointed as Dean of the Laennec Medical School and then chaired the Department of International Exchanges Program for students for the Claude Bernard University Lyon 1. He served as Chief of Urology at the Lyon University Hospital from 1986 to 2008. He chaired the Department of Surgery at the Lyon Sud University Hospital from 2005 to 2011. He is currently Consultant for surgery to the Claude Bernard University. His main areas of interest are the use of ultrasound in urology, evaluation of outcomes for the treatments of BPH and clinical research in the field of prostate cancer. He is an active member of the French Urologic Association, European Urologic Association and corresponding member of the American Urologic Association.