Hannover Medical School, Germany (1994)
Cardiovascular Surgery, Kiel University Hospital, Germany (1994 - 2002)
Pediatric Cardiac Surgery, University Hospital, Hamburg-Eppendorf, Germany (2003 - 2004)
Senior Registrar, Paediatric Cardiac Surgery, Great Ormond Street Hospital, London, UK (2004 - 2005)
Cardiac Surgery, University Hospital, Munich-Grosshadern, Germany (2005 -2006)
Cardiac Surgery, Bremen, Germany (since 08/2006)