Prof. Dr. med. Marco Büter 

Core Competencies

Obesity Surgery / Bariatric Surgery

• Many years of experience in the surgical treatment of obesity
• Performed over 2000 bariatric procedures
• Gastric bypass surgery (Roux-en-Y gastric bypass)
• Sleeve gastrectomy
• Revision surgeries for complications or insufficient weight loss
• Follow-up and long-term care after obesity surgery

Hernia Surgery / Hernia Repairs

• Specialized in laparoscopic surgical techniques (keyhole surgery) with or without robotic assistance (Da Vinci)
• Inguinal hernia surgery
• Umbilical hernia surgery
• Incisional hernia surgery
• Hiatal hernia surgery – including paraesophageal hernias
• Management of complex and recurrent hernia cases

Career Path

2025 - present Co-founder of ViszeraMed AG and partner physician at Hirslanden Clinic

2020 - present Head of Surgical Department, Chief of Visceral Surgery, Surgical Clinic, Männedorf Hospital AG

2018 - 2024 Senior Consultant, Department of Visceral and Transplant Surgery, University Hospital Zurich

2016 - 2022 Assistant Professor for Bariatric Surgery, University of Zurich

2010 - 2018 Senior Physician, Department of Visceral and Transplant Surgery, University Hospital Zurich

2008 - 2010 Research Fellowship of the German Research Foundation (DFG), Imperial College London, Hammersmith Hospital, Department of Investigative Medicine, London (UK)

2002 - 2008 Resident and Specialist, University Hospital Würzburg (Germany)

2014 Habilitation in Surgery, University of Zurich

Schools, Studies & Degrees

2025 EBSQ Metabolic-Bariatric Surgery (European Specialist Certification)

2025 FEBS – Fellow of the European Board of Surgery

2022 Titular Professorship, Faculty of Medicine, University of Zurich

2011 Degree of Doctor of Philosophy (PhD), Imperial College London, London (UK) (Course: Clinical Medicine Research)

2002 Doctorate in Medicine (Dr. med.), Julius-Maximilians University Würzburg (Germany)

1995 - 2002 Medical studies, Julius-Maximilians University Würzburg (Germany)