1986 - 1993 Medical School, University of Hamburg, Germany
1994-1998 Dept. of Cardiac Surgery, University Clinic of Luebeck, Germany
1998 - 1999 Registrar and Research Fellow, Harefield Hospital, Harefield, England
1999-2007 Dept. of Cardiac Surgery, Luebeck, Germany
2008 Associate Professor in Cardiothoracic Surgery, University of Sydney, Australia
Since Sept. 2009 Heart Center, University of Leipzig, Germany
2010 Professor of Cardiac Surgery
Since 2010 Senior Cardiac Surgeon, Heart Centre Leipzig
Since 2014 Senior Consultant, Heart Center Leipzig
Since 2019 Visiting Professor, Royal Prince Alfred Hospital, Sydney, Australia