After finishing medical school in November 2004 Dr. Pfister started his residency in the Department of Urology at the University of Cologne. For his endoscopic training, he switched to the General Hospital in Weiden (Oberpfalz/Bavaria) between August 2006 and March 2007. After returning to Cologne Dr. Pfister heightened my oncologic education under Prof. Heidenreich. The oncologic training consisted of two arms: medical and surgical oncology. In 2009 his education was augmented at the University Hospital of Aachen. In 2010 he passed his urologic board exam. Since 2011 Dr. Pfister has been working as a staff urologist with main interests in castration-resistant prostate cancer and testicular cancer. In 2011 he passed the Charles Huggins grant, an educational grant at the Center for Prostate Disease Research in Maryland, USA. In 2012 Dr. Pfister received an additional qualification in the systemic treatment of solid tumours and since that time he has organised and led the urological clinical trial centre. In 2012 Dr. Pfister qualified as a Professor and became an Associate Professor in November 2012 for medical oncologic treatment in urological tumours. At the end of 2015 he became the Commissionary Leader of the Urologic Department of the University of Aachen. Since 2016 Dr. Pfister has become the Deputy Director of the Department of Urology, Uro-oncology and Robot-Assisted Surgery, University Hospital of Cologne. Special interest is castration-resistant, radiation-resistant prostate cancer and testicular cancer.