1985 Stay abroad at the University of Massachusetts, Worcester USA
1987 Medical specialist training and medical activity: Marien Hospital in Bergisch Gladbach (Urology), Surgical University Hospitals Cologne and Düsseldorf (Surgery), Urological University Hospital in Düsseldorf
1994 Fellowship at the Johns Hopkins Hospital, Baltimore USA
1997 Senior physician: Clinic for Urology and Pediatric Urology of the Maria Hilf Hospitals, Mönchengladbach
2001 Chief physician at the Clinic for Urology and Pediatric Urology, Konstanz Hospital
2002 Chief physician at the Clinic for Urology and Pediatric Urology, Knappschaft Hospital DO
2007 Head of the Prostate Center in Dortmund Ost
2009 President of the North Rhine Urological Society
2014 Chief physician at the Clinic for Urology, Pediatric Urology and Urological Oncology at the Asklepios Clinic in Paulinen, Wiesbaden