Prof. - Ralph Peterli - Bariatric surgery for overweight and obesity -

Prof. Dr. Ralph Peterli

Specialist for obesity/diabetes/bariatrics in Basel

Prof. - Ralph Peterli - Bariatric surgery for overweight and obesity -
More details to follow soon.

About us

More details to follow soon.

Curriculum Vitae

Curriculum Vitae Prof. Dr. Ralph Peterli

1979 - 1986 Medical School, University of Basel, Switzerland
(1979 + 1981 military service)
1986 Graduation from Medical School, University of Basel
1988 Doctoral Thesis
1995 Specialist for general surgery
2004 Subspecialist for general and trauma surgery, Subspecialist for visceral surgery
7/08 - 12/08 Research fellow and surgeon, University Lund, Sweden
2009 Assistant Professor of Surgery (Privatdozent), University of Basel
2015 Professor of Surgery (Titularprofessor), University of Basel
since 1997 Teaching at Medical School, University of Basel
2002 International workshops with live surgery
2005 Instructor practical hands-on courses
2019 Mentoring program for young academics
2020 Key opinion leader bariatric surgery on educational platform (AIS)
Postgraduate medical Formation/Positions
4/1987 - 3/1988 Institute of Pathology, Univ. of Basel (Proff Ph.U. Heitz, M. Mihatsch)
4/1988 - 11/1991 Surgical Clinic, Olten (PD Dr. U. Grötzinger)
1/1992 - 5/1994 Surgical Clinic, Bruderholz, Basel (Prof. A.K. Huber)
7/1995 - 12/1996 Surgical Clinic, St.Claraspital Basel (Proff P. Tondelli, M. von Flüe)
1/1997 - 3/2000 Staff member
4/2000 - 12/2016 Senior staff
1/2017 Deputy Medical Director
1/2019 Deputy Head of Clarunis, Department of Visceral Surgery, University Center for Gastrointestinal and Liver Diseases, Basel Switzerland, St. Clara Hospital & University Hospital Basel
Surgical experience/Fields of interest
Visceral, colorectal and bariatric surgery (total number of interventions >15’000)
Research fields
1984-1988 Morphometry in pathology of arteries
1988-1990 Clinical study on groin hernia repair
1994-2002 Various clinical studies on laparoscopic cholecystectomy and related hepato-biliary pathologies
1996 Various clinical studies in bariatric surgery
2003-2006 Human adipose tissue and functional role of melanocortin-receptors
2005-2014 Proteomics of mitochondria in human adipose tissue
2006-2019 PI of randomized controlled trial (RCT) on bariatric surgery (SM-BOSS)
2006-2010 Glycemic control and gastrointestinal peptides in morbidly obese patients
2009 - 2010 Adipokines in morbidly obese patients undergoing bariatric surgery
2011 - 2015 Steering committee of international RCT on metabolic surgery vs best medicine
2012 Functional MRI and bariatric Surgery
2014 - 2017 Enteroendocrine cells of upper gastrointestinal tract before and after sleeve
2014 Microbiome before and after bariatric surgery
2016 mTOR, insulin resistance and inflammation in adipose tissue
2018 Benchmark studies in bariatric Surgery
2020 PI of RCT SLIM Trial
Scientific support
2002 - 2006 Grant by the Hirzbrunnenstiftung, Basel, Switzerland
2005 Support of novoNordisk
2005 Support of research fund of University Childrens Hospital, Basel, Switzerland
2006 - 2007 Support of Ethicon Endo-Surgery, USA
2006 - 2008 Support of Ethicon Endo-Surgery, Switzerland
2006 - 2007 Support of “Stiftung für medizinische Forschung”, Therwil, Switzerland
2008 - 2011 Grant by the Swiss National Science Foundation (3200B0-116465)
2009 - 2013 Grant by Ethicon Endosurgery, Switzerland
2012 - 2015 Grant by the Swiss National Science Foundation (320030-138439)
2022 Grant by the Swiss National Science Foundation (32003B-204937)


Science Prof. Dr. Ralph Peterli

Supervision of young Researchers
PhD thesis E. Hirzel
Doctoral thesis A. Frigg, F. Dick, Y. Anner, K. Bolis, A. Schnyder, B. Uglioni, A. Lindinger, P. Toelle, J. Schneider, P. Sieber, R. Scheider, I. Lazzaridis, Ch. Bieg, K. Linke,


Publications Prof. Dr. Ralph Peterli

Publications, Lectures, Awards
121 original articles, 6 book chapters, apx 200 invited lectures
5 national, 2 international prizes



Clarunis University Abdominal Centre Basel

Kleinriehenstrasse 30
4058 Basel

Phone: +41 61 5100363
Landline at local rates

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