University of Aachen, Medical School, Germany (2001-2002)
Mount Sinai School of Medicine, New York, NY, USA (2006-2007)
University of Freiburg, Medical School, Germany (2002-2009)
Leipzig Heart Center, University of Leipzig, Germany (2010-2015)
Ludwigs-Maximilians University, Munich, Germany (2015-2020)
University of Cologne, Cologne, Germany (since 2020)
Aortic surgery (open & endovawscular)
Cerebral & spinal cord protection
Endocarditis surgery