Head of the Division of General Thoracic Surgery, evangelic Hospital Bielefeld, Germany (present)
Lecturer for the European School of Cardiothoracic Surgery (EACTS) Bergamo, Italy
Consultant of General Thoracic Surgery, University Hospital Berne, Switzerland (2002-2005)
Registrar in Gneral Thoracic Surgery, University Hospital Bern, Switzerland (2001-2002)
Tracheal surgery
Thoracic surgical oncology
Minimal-invasive thoracic surgery
Chest wall deformities
Surgery of lung metastases