General Thoracic Surgery
Lung Transplantation
Heart Transplantation
Ross Operation
Medical University Vienna, Department of Cardiothoracic Surgery Vienna, Austria 1998-2010
Klinik Löwenstein, Dept. of Thoracic and Vascular Surgery, Germany 2010-2011
Medical University of Krems, Karl Landsteiner Private Medical School, Department of General and Thoracic Surgery, Krems, Austria, 2011-2010
Ruhrlandklinik Essen - Western Germany Lung Center, Dept. of Thoracic Surgery and Thoracic Endoscopy since April 2020