College of University of Cologne (1984-1985)
University of Cologne Medical School (1985-1993)
University of Cologne Cardiac Surgery Residency(1993-2000)
Dissertation: Intracoronary Shunt during MIDCAB (2000)
German Board Certification Cardiac Surgery (2000)
Attend. Cardiac Surgeon , Dep. of Cardiothortacic Surgery, University of Cologne ( 2000-2006)
Peditric Cardiac Surgery, Dep. of Cardiothoracic Surgery, University of Cologne (2001-2003)
Attend. Pediatric Cardiac Surgeon,Dep. of Cardiothoracic Surgery,University of Cologne (2003-2006)
Staff cardiothoracic Surgeon, University of Cologne (2000-2006)
Vice-Chair Dep. of Cardiac Surgery, Hanseatic Heart Center, Hamburg (Since 2006)