- Adult heart surgery
- Vascular and endovascular surgery
- 2003 - 2005
- Associate Physician, Surgical Department, HUG, Cardiovascular Surgery Department (40%), Geneva
- 1999 - 2003
- Leading Senior Physician, Surgical Department, HUG, Cardiovascular Surgery Department, Geneva.
Responsible for heart transplants
- 1996 - 1999
- Deputy Senior Physician/Senior Physician, Surgical Department, HUG, Cardiovascular Surgery Department, Geneva
- 1989 - 1996
- Assistant Physician, Surgical Department, HUG, Cardiovascular Surgery Department, General Surgery Department, Geneva
- 1988 - 1989
- Assistant Physician, Surgical Department, Hôpital des Cadolles, Neuchâtel
- 1985 - 1988
- Assistant Physician in Paediatric Surgery, Yerevan, Armenian SSR
- 2003
- FMH training diploma: Vascular Surgery
- 2002
- FMH specialist title: Cardiac and Thoracic Vascular Surgery
- 1996
- Diploma in Medicine, Swiss equivalence, University of Geneva
- 1984
- Diploma in Medicine, Yerevan University, Armenian SSR
- SSCC (Société Suisse de Chirurgie Cardiaque et Vasculaire Thoracique)