Portrait Marco Bueter

Marco Bueter
Prof. Dr. med. Dr. phil.

Senior Attending Physician

Other functions at USZ

  • Clinical Head of Surgery Center for Obesity and Metabolic Surgery


  • Bariatric Surgery


Tel. +41 44 255 88 95

More titles


The most important facts in brief

Prof. Bueter completed his surgical training at the University Hospital of Würzburg in Germany and, after obtaining his specialist title, spent two years at Imperial College London with Prof. CW le Roux in Great Britain as a DFG scholarship holder. He has been Head Physician at our clinic since May 1, 2018 and is responsible for bariatric surgery in teaching, research and clinical practice. Since January 2020, he has also been Chief Physician and Head of the Surgery Clinic at Männedorf Hospital as part of the cooperation between Zurich University Hospital and Männedorf Hospital. Prof. Bueter is listed by DAGV as a recognized surgeon according to §§ 5 and 6 ZertO in Adipositas Zentrum Zürich.

Key skills

  • Bariatric and Metabolic Surgery
  • Laparoscopic Surgery
  • Upper GI Surgery


08/2014 Habilitation
04/2013 – present Head of Bariatric Surgery Program, Department of Surgery, Department of Visceral Surgery and Transplantation, USZ
2011 PhD from Imperial College London (Course: Clinical Medicine Research)
10/2010 – present Attending Surgeon, Department of Surgery, Department of Visceral Surgery and Transplantation, USZ
2008 – 2010 Research Fellowship, Imperial College London
05/2008 Specialisation for General Surgery
2002 – 2008 Residency, Department of Surgery, University of Würzburg, Surgical Resident, Prof. Dr. A. Thiede
2002 Doctoral thesis (‘magna cum laude’)
1995-2002 Study of Medicine, Julius Maximilians University of Würzburg


  • Bueter M, Löwenstein C, Olbers T, Wang M, Cluny NL, Bloom SR, Sharkey KA, Lutz TA, le Roux CW.
    Gastric bypass increases energy expenditure in rats.
    Gastroenterology 2010 May;138(5):1845-53
  • Bueter M, Dubb SS, Gill A, Joannou L, Ahmed AR, Frankel AH, Tam FWK, le Roux CW.
    Renal cytokines improve early after bariatric surgery Br J Surg. 2010 Dec;97(12):1838-44
  • Lia JV, Ashrafian H, Bueter M, Kinross J, Sands C, le Roux CW, Bloom SR, Darzi A, Athanasiou T, Marchesi JR, Nicholson JK and Holmes E.
    Metabolic Surgery Profoundly Influences Gut Microbial-Host
    Metabolic Crosstalk
    Good. 2011 Sep;60(9):1214-23
  • Bueter M, Miras AD, Chichger H, Fenske W, Ghatei MA, Bloom SR, Unwin RJ, Lutz TA, Spector AC, le Roux CW.
    Alterations of sucrose preference after Roux-en-Y gastric bypass
    Physiol Behav. 2011 Oct 24;104(5):709-21
  • Asarian L, Abegg K, Geary N, Schiesser M, Lutz TA, Bueter M.
    Estradiol increases body-weight loss and gut-peptide satiation after Roux-en-Y gastric bypass in ovariectomized rats
    Gastroenterology. 2012 Aug;143(2):325-327.e2
Show publication list


  1. Deutsche Gesellschaft für Chirurgie (DGCH, German Surgical Association)
  2. Schweizerische Gesellschaft für Chirurgie (SGC, Swiss Surgical Association)
  3. International Federation for Surgery of Obesity (IFSO)
  4. Society for the Study of Ingestive Behavior (SSIB)
  5. International Association for the Study of Obesity (IASO)
  6. Zurich Center for Integrative Human Physiology (ZIHP)

Key areas of research

  • Investigation of the underlying physiological mechanisms of
  • Bariatric Surgery