Spital Männedorf

1988
Ph.D.

1987
Resident, Institute of Pathology, University of Basel

1986
Swiss State Examination

1979–1986
Medical studies at the University of Basel

1994–1996
Resident in Surgery at St. Clara Hospital, Basel

1995
FMH-Certified Specialist in General Surgery

1992–1994
Resident in Surgery, Bruderholz Cantonal Hospital

1988–1991
Resident in Surgery, Olten Cantonal Hospital

Since May 2025, Senior Physician in Visceral Surgery, Männedorf Hospital

Since 2022
Swiss Surgery – Expertise in Surgical Treatment

Since 2019
Deputy Chief Physician in Visceral Surgery, Clarunis, University Abdominal Center Basel, St. Clara Hospital and University Hospital Basel
Director of the Bariatric Reference Center and Visceral Surgery Research

2017–2018
Deputy Chief of Visceral Surgery, St. Clara Hospital Basel

2015–2022
Scientific Chair of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), European Chapter

2018–2021
President of the Swiss Society for the Study of Morbid Obesity and Metabolic Disorders (SMOB)

2015
Appointed Titular Professor of Surgery by the University of Basel

2009
Habilitation at the University of Basel

2008
Visiting Surgeon and Researcher, Lund University in Sweden

2004
Specialization in Visceral Surgery
Specialization in General and Trauma Surgery

2000-2016
Attending Physician, Visceral Surgery, St. Clara Hospital

Since 1997
Lecturer at the Faculty of Medicine, University of Basel

1997-2000
Senior Resident in Surgery, St. Clara Hospital, Basel

- Swiss Society for the Study of Morbid Obesity and Metabolic Disorders (SMOB), Past President (since 2021)
- International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), IFSO World Council Member (since 2018)
- International Federation for the Surgery of Obesity and Metabolic Disorders, European Chapter (IFSO-EC), Board Member (since 2018); Chair of the Scientific Committee (2016–2022)
- Swiss College of Surgeons, Member of the Board of Surgeons (since 2022)
- Swiss Visceral Surgeons (Swiss Society for Visceral Surgery), board member (since 2013)
- Intercantonal Agreement on Highly Specialized Medicine (IVHSM), Member of the Visceral Surgery Advisory Group (since 2013) Allainz Adipositas Schweiz, Board Member (since 2021) Swiss Medical Association (FMH)
- Swiss Society for Surgery (SGC)
- Swiss Peritoneal Cancer Group (SPCG)
- Basel Medical Society (MEDGES)
- German Society for Surgery
- American Society for Metabolic and Bariatric Surgery (ASMBS)
- International Society of Surgery (SIC)
- Swiss Minimal Invasive Surgery (Swiss-Mis)

Editorial board member

- Obesity Surgery
- Surgery for Obesity and Related Diseases (SOARD)
- Langenbeck’s Archive of Surgery
- Consensus Adipositas Schweiz, editorial member

Since 2019
Instructor / faculty member for advanced courses in bariatric surgery, Davos

Since 2019
Mentoring program for young academics

Since 2002
International courses in bariatric and metabolic surgery

Since 2018
Teaching at the University of Applied Sciences for Health in Basel

Since 1997
Teaching at the University of Basel’s Faculty of Medicine