His research focus includes aortic diseases and aortic surgery since 2010 and currently minimal invasive mitral valve repair. He is a member of several national and international Cardiac Surgery Associations including the European Association for Cardio-Thoracic Surgery (EACTS) in Europe, the Society of Thoracic Surgeons (STS) in USA and the German Society of Cardiothoracic Surgery (DGTHG) in Germany.