University of Cologne Medical School 1989-1996
Internship+Residency, University of Luebeck, 1996-2003
Staff Surgeon, University of Luebeck, 2004-2009
Assistant Professor for Cardiac Surgery since 2006
Staff Surgeon, Dept. for Cardiac and Thoracic Surgery, Bergmannsheil, Bochum, since 2010
Associate Professor for Cardiac Surgery since 2011
Vice Director, Dept. for Cardiac and Thoracic Surgery, Bergmannsheil, Bochum, since 10/2011
minimal invasive aortic valve surgery
reoperative surgery
AV-valve surgery
bicuspid aortic valve
cardiac protection
mechanisms of homograft valve failure
LVAD
lung protection during heart surgery