
Prof. Dr. Helmut Friess
General Surgeon
- Prof. Dr. Helmut Friess is a General Surgeon with experience of more than 32 years.
- He is a member of the Publication Committee of the Society for Surgery of the Alimentary Tract, General Assembly, United European Gastroenterology Federation (UEGF), Honorary Member, Romanian Academy of Medical Sciences, Bucharest, Romania, President, Association of Bavarian Surgeons (VBC), and much more.
- He is also on the Editorial Board of the Journal of the Pancreas, Editorial Board of the International Journal of Pancreatology, Langenbeck's Archives of Surgery, Secretary of the European Society for Digestive Surgery (EDS), and External Reviewer, Surgical Forum, German Surgical Society.
- He studied medicine at theUniversity of Ulm, Ulm, Germany in 1988, and Habilitation in "Growth factors and growth factor receptors in pancreatic cancer" (Prof. Dr. med. M. W. Büchler), University of Bern, Switzerland in 1998.
- He also has a Fellowship from the Royal College of Surgeons of England in 2000.
- Prof. Friess's primary emphasis is on treating malignant tumors of the colon liver, biliary tract, and pancreas, thyroid, lung, etc
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- Prof. Dr. Helmut Friess is a General Surgeon with experience of more than 32 years.
- He is a member of the Publication Committee of the Society for Surgery of the Alimentary Tract, General Assembly, United European Gastroenterology Federation (UEGF), Honorary Member, Romanian Academy of Medical Sciences, Bucharest, Romania, President, Association of Bavarian Surgeons (VBC), and much more.
- He is also on the Editorial Board of the Journal of the Pancreas, Editorial Board of the International Journal of Pancreatology, Langenbeck's Archives of Surgery, Secretary of the European Society for Digestive Surgery (EDS), and External Reviewer, Surgical Forum, German Surgical Society.
- He studied medicine at theUniversity of Ulm, Ulm, Germany in 1988, and Habilitation in "Growth factors and growth factor receptors in pancreatic cancer" (Prof. Dr. med. M. W. Büchler), University of Bern, Switzerland in 1998.
- He also has a Fellowship from the Royal College of Surgeons of England in 2000.
- Prof. Friess's primary emphasis is on treating malignant tumors of the colon liver, biliary tract, and pancreas, thyroid, lung, etc

- Prof. Dr. Med. Jens Werner is a renowned General Surgeon with 29+ years of experience.
- He has led the scientific working group "Inflammation and Pancreas" and the "Upper Gastrointestinal System."
- His expertise includes abdominal surgeries, transplant surgeries, bariatric surgeries, colorectal surgeries, endocrine surgeries, hepatopancreatic surgeries, and hernia surgery.
- He has studied human medicine from Heidelberg, Birmingham (UK), and Baltimore (USA) from 1986 to 1993.
- He has also earned a Doctorate from the Medical Faculty of Heidelberg University.
- Moreover, he completed his Research Fellowship at Massachusetts General Hospital, Harvard Medical School, USA, with Prof. AL Warshaw, Surgeon-in-Chief (DFG scholarship) in 1995.
- Lately he did an MBA in healthcare management in 2007.
- Under his credit, there are numerous national and international publications.
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- Prof. Dr. Med. Jens Werner is a renowned General Surgeon with 29+ years of experience.
- He has led the scientific working group "Inflammation and Pancreas" and the "Upper Gastrointestinal System."
- His expertise includes abdominal surgeries, transplant surgeries, bariatric surgeries, colorectal surgeries, endocrine surgeries, hepatopancreatic surgeries, and hernia surgery.
- He has studied human medicine from Heidelberg, Birmingham (UK), and Baltimore (USA) from 1986 to 1993.
- He has also earned a Doctorate from the Medical Faculty of Heidelberg University.
- Moreover, he completed his Research Fellowship at Massachusetts General Hospital, Harvard Medical School, USA, with Prof. AL Warshaw, Surgeon-in-Chief (DFG scholarship) in 1995.
- Lately he did an MBA in healthcare management in 2007.
- Under his credit, there are numerous national and international publications.

Prof. Dr. Stefan Fichtner-Feigl
General Surgeon
- Prof. Dr. Stefan Fichtner-Feigl is a General & Visceral Surgeon with experience of more than 20 years.
- He studied medicine at the Julius Maximilians University of Würzburg in 1993 and started working as a Resident at the Clinic and Polyclinic for Surgery at the University of Würzburg in 2002.
- He also has a Research Fellowship in Mucosal Immunity Section from the National Institutes of Health, Bethesda, Maryland, USA.
- He is the Clinical Director of the Tumor Center Freiburg (CCCF) at the University Medical Center Freiburg and Deputy Director of the Clinic and Polyclinic for Surgery at the University of Regensburg (Prof. Dr. HJ Schlitt).
- Additionally, he has won various recognitions such as the Scientific Award, Bavarian Society of Gastroenterology; Otto-Goetz-Award, Bavarian Society of Surgery; Rudolf-Nissen-Award, German Society of General and Visceral Surgery, and many more.
- He continues to serve in the field of general surgery while also writing publications and articles in prestigious journals.
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- Prof. Dr. Stefan Fichtner-Feigl is a General & Visceral Surgeon with experience of more than 20 years.
- He studied medicine at the Julius Maximilians University of Würzburg in 1993 and started working as a Resident at the Clinic and Polyclinic for Surgery at the University of Würzburg in 2002.
- He also has a Research Fellowship in Mucosal Immunity Section from the National Institutes of Health, Bethesda, Maryland, USA.
- He is the Clinical Director of the Tumor Center Freiburg (CCCF) at the University Medical Center Freiburg and Deputy Director of the Clinic and Polyclinic for Surgery at the University of Regensburg (Prof. Dr. HJ Schlitt).
- Additionally, he has won various recognitions such as the Scientific Award, Bavarian Society of Gastroenterology; Otto-Goetz-Award, Bavarian Society of Surgery; Rudolf-Nissen-Award, German Society of General and Visceral Surgery, and many more.
- He continues to serve in the field of general surgery while also writing publications and articles in prestigious journals.

Prof. Dr. med. Thomas Werner Kraus
General Surgeon
- Prof. Dr. med. Thomas Werner Kraus is a reputed General Surgeon with experience of more than 36+ years.
- He is a member of the FACS Fellow American College of Surgeons, DGC German Society for Surgery, DGAV German Society for General and Visceral Surgery Various scientific working groups of the DGAV, BDC Association of German Surgeons, DGG German Society for Vascular Surgery, Rhein-Main Working Group for Gastroenterology Frankfurt, Frankfurt Society for Trade, Industry and Science eV, etc.
- He pursued his studies of medicine at the Ruprecht Karls University of Heidelberg in 1981, and also studied medicine at Westminster Medical School London Charing Cross Medical School London in 1985.
- He also has a Ph.D. at Heidelberg University in 1987, and started his Basic military service in the German Armed Forces - High Mountain Range 1st Mountain Hunters Division Mittenwald/Garmisch-Partenkirchen.
- He has a Master of Business Administration "General Hospital Management" from Krannert School of Management, Purdue University, West Lafayette, USA, and German International School of Management and Administration (GISMA), Hanover.
- Dr. Kraus has over 500 lectures and chairs at scientific congresses and meetings, 130 Medline-cited publications, and 18 book chapters.
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- Prof. Dr. med. Thomas Werner Kraus is a reputed General Surgeon with experience of more than 36+ years.
- He is a member of the FACS Fellow American College of Surgeons, DGC German Society for Surgery, DGAV German Society for General and Visceral Surgery Various scientific working groups of the DGAV, BDC Association of German Surgeons, DGG German Society for Vascular Surgery, Rhein-Main Working Group for Gastroenterology Frankfurt, Frankfurt Society for Trade, Industry and Science eV, etc.
- He pursued his studies of medicine at the Ruprecht Karls University of Heidelberg in 1981, and also studied medicine at Westminster Medical School London Charing Cross Medical School London in 1985.
- He also has a Ph.D. at Heidelberg University in 1987, and started his Basic military service in the German Armed Forces - High Mountain Range 1st Mountain Hunters Division Mittenwald/Garmisch-Partenkirchen.
- He has a Master of Business Administration "General Hospital Management" from Krannert School of Management, Purdue University, West Lafayette, USA, and German International School of Management and Administration (GISMA), Hanover.
- Dr. Kraus has over 500 lectures and chairs at scientific congresses and meetings, 130 Medline-cited publications, and 18 book chapters.
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Prof. Markus W. Buchler
General Surgeon
- Prof. Markus W. Buchler is a Heidelberg-based General Surgeon with experience of more than 33 years.
- He is a member of reputed organizations such as the German Academy of Sciences Leopoldina, and an honorary member of numerous professional societies including the Royal Society of Medicine of England, the Royal College of Surgeons of England, the American Surgical Association, and the American College of Surgeons.
- Additionally, he acts as an editor and a member of editorial boards of international medical journals and has been Editor-in-Chief of Digestive Surgery and Langenbeck's Archives of Surgery.
- He studied medicine at the Ruprecht Karl University of Heidelberg and later trained in general and cardiovascular surgery at the Free University of Berlin in 1980.
- He also received the Doctor of Medicine degree from the University of Heidelberg and further specialized in surgery at the University of Ulm, where he qualified for habilitation and was appointed as an attending surgeon in 1987.
- Prof. Buchler has won several awards such as the Research Prize of the Swiss Society of Surgery, Surgery Prize of the Swiss Society of Surgery, Hippocrates Award, Hellenic Society for Internal Medicine, and many more.
- He resumes serving in the field of general surgery while also writing articles in national and international journals.
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- Prof. Markus W. Buchler is a Heidelberg-based General Surgeon with experience of more than 33 years.
- He is a member of reputed organizations such as the German Academy of Sciences Leopoldina, and an honorary member of numerous professional societies including the Royal Society of Medicine of England, the Royal College of Surgeons of England, the American Surgical Association, and the American College of Surgeons.
- Additionally, he acts as an editor and a member of editorial boards of international medical journals and has been Editor-in-Chief of Digestive Surgery and Langenbeck's Archives of Surgery.
- He studied medicine at the Ruprecht Karl University of Heidelberg and later trained in general and cardiovascular surgery at the Free University of Berlin in 1980.
- He also received the Doctor of Medicine degree from the University of Heidelberg and further specialized in surgery at the University of Ulm, where he qualified for habilitation and was appointed as an attending surgeon in 1987.
- Prof. Buchler has won several awards such as the Research Prize of the Swiss Society of Surgery, Surgery Prize of the Swiss Society of Surgery, Hippocrates Award, Hellenic Society for Internal Medicine, and many more.
- He resumes serving in the field of general surgery while also writing articles in national and international journals.

Dr. med. Georg Arlt
General Surgeon
- Dr. med. Georg Arlt is a Berlin-based General & Visceral Surgeon with experience of more than 36+ years.
- He is a member of reputed organizations such as the Association of Northwest German Surgeons, International Society of Surgery, German Society for Surgery, German Society for General and Visceral Surgery, Medical Society of the RWTH Aachen, German Hernia Society, European Hernia Society, and Society for Nature and Medicine Berlin
- He studied protestant theology and human medicine at the University of Hamburg in 1974 and later did his surgical training at the University Hospital Hamburg-Eppendorf.
- He received his doctorate in 1988, and in 1995, habilitation and license to teach surgery at the University Clinic of RWTH Aachen University.
- His focus is on experimental and clinical research on the pathophysiology of the stomach, the pathophysiology of the extrahepatic biliary tract, and hernia surgery, with a focus on the surgery of chronic postoperative groin pain.
- He resumes serving in the domain of general surgery while also writing articles in state and national journals.
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- Dr. med. Georg Arlt is a Berlin-based General & Visceral Surgeon with experience of more than 36+ years.
- He is a member of reputed organizations such as the Association of Northwest German Surgeons, International Society of Surgery, German Society for Surgery, German Society for General and Visceral Surgery, Medical Society of the RWTH Aachen, German Hernia Society, European Hernia Society, and Society for Nature and Medicine Berlin
- He studied protestant theology and human medicine at the University of Hamburg in 1974 and later did his surgical training at the University Hospital Hamburg-Eppendorf.
- He received his doctorate in 1988, and in 1995, habilitation and license to teach surgery at the University Clinic of RWTH Aachen University.
- His focus is on experimental and clinical research on the pathophysiology of the stomach, the pathophysiology of the extrahepatic biliary tract, and hernia surgery, with a focus on the surgery of chronic postoperative groin pain.
- He resumes serving in the domain of general surgery while also writing articles in state and national journals.

Prof. Dr. Martin Kreis
General Surgeon
- Prof. Dr. Martin Kreis is a Berlin-based General & Visceral Surgeon with experience of more than 26 years.
- He is a member of reputed organizations such as the German Society for Surgery (DGCH), German Society for General and Visceral Surgery (DGAV), Society for Surgery of the Alimentary Tract (SSAT), German Society for Coloproctology (DGK), German Society for Neurogastroenterology and Motility (DGNM), and European Society for Neurogastroenterology (ESN).
- Additionally, he is also on the Board member of the Berlin Tumor Center and the Berlin Cancer Society, along with being the Scientific Director of the symposium on current surgery and visceral medicine.
- He studied human medicine at the University of Tübingen in 1986 and traveled abroad to the USA, Canada, and Switzerland for his specialist training.
- He is the editor for the lower gastrointestinal tract, coloproctology of the journal General and Visceral Surgery of the Thieme publishing house.
- He continues to serve in the domain of general surgery while also writing articles in state and national journals.
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- Prof. Dr. Martin Kreis is a Berlin-based General & Visceral Surgeon with experience of more than 26 years.
- He is a member of reputed organizations such as the German Society for Surgery (DGCH), German Society for General and Visceral Surgery (DGAV), Society for Surgery of the Alimentary Tract (SSAT), German Society for Coloproctology (DGK), German Society for Neurogastroenterology and Motility (DGNM), and European Society for Neurogastroenterology (ESN).
- Additionally, he is also on the Board member of the Berlin Tumor Center and the Berlin Cancer Society, along with being the Scientific Director of the symposium on current surgery and visceral medicine.
- He studied human medicine at the University of Tübingen in 1986 and traveled abroad to the USA, Canada, and Switzerland for his specialist training.
- He is the editor for the lower gastrointestinal tract, coloproctology of the journal General and Visceral Surgery of the Thieme publishing house.
- He continues to serve in the domain of general surgery while also writing articles in state and national journals.

Prof. Dr. Hans-Henning Eckstein
General Surgeon
- Prof. Dr. Hans-Henning Eckstein is a Vascular Surgeon with 35 years in the field.
- He is a President of the German Society for Vascular Surgery and Vascular Medicine (DGGG), a member of the Scientific Committee of the Space-1 Study, Editorial Board Der Chirurg, Vascular Surgery, and Commission on Recommendations of the German Society of Neurology (DGN).
- He studied medicine at the Ruprecht Karls University of Heidelberg in 1985 and completed his thesis defense at the same university in 1986.
- In 1997, he did his qualification of the European Board of Surgery in Vascular Surgery, and Habilitation in Surgery, the Ruprecht Karls University of Heidelberg in 1998.
- Prof. Eckstein has a special focus on areas such as endovascular abdominal aortic aneurysm repair, Carotid angioplasty, and Hybrid technique for iliac chronic thrombotic Occlusion recanalization, etc.
- He has been invited as a faculty member at several conferences along with writing journals.
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- Prof. Dr. Hans-Henning Eckstein is a Vascular Surgeon with 35 years in the field.
- He is a President of the German Society for Vascular Surgery and Vascular Medicine (DGGG), a member of the Scientific Committee of the Space-1 Study, Editorial Board Der Chirurg, Vascular Surgery, and Commission on Recommendations of the German Society of Neurology (DGN).
- He studied medicine at the Ruprecht Karls University of Heidelberg in 1985 and completed his thesis defense at the same university in 1986.
- In 1997, he did his qualification of the European Board of Surgery in Vascular Surgery, and Habilitation in Surgery, the Ruprecht Karls University of Heidelberg in 1998.
- Prof. Eckstein has a special focus on areas such as endovascular abdominal aortic aneurysm repair, Carotid angioplasty, and Hybrid technique for iliac chronic thrombotic Occlusion recanalization, etc.
- He has been invited as a faculty member at several conferences along with writing journals.

Prof. Dr. Wolfram T. Knoefel
General Surgeon
- Prof. Dr. Wolfram T. Knoefel is a Dusseldorf-based General, Visceral, and Pediatric Surgeon, with experience of more than 27 years.
- He studied medicine at the University of Hamburg, the University of Lausanne, Harvard Medical School in Boston, and School of Medicine at Mount Sinai in New York.
- After completing his medical practice, he worked in various prestigious organizations such as the Department of Surgery at the University Hospital of Ludwig Maximilian University of Munich, Massachusetts General Hospital, Harvard Medical School, as well as in the Department of Surgery at the University Hospital Hamburg-Eppendorf.
- In 1996, he completed his doctoral thesis on the subject "Disorders of microcirculation in acute pancreatitis".
- Prof. Knoefel's main focus includes the surgical treatment of malignant tumors of the liver, biliary tract, and pancreas, thyroid, lung, and rectum.
- He likes to write articles and book chapters for national and international journals.
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- Prof. Dr. Wolfram T. Knoefel is a Dusseldorf-based General, Visceral, and Pediatric Surgeon, with experience of more than 27 years.
- He studied medicine at the University of Hamburg, the University of Lausanne, Harvard Medical School in Boston, and School of Medicine at Mount Sinai in New York.
- After completing his medical practice, he worked in various prestigious organizations such as the Department of Surgery at the University Hospital of Ludwig Maximilian University of Munich, Massachusetts General Hospital, Harvard Medical School, as well as in the Department of Surgery at the University Hospital Hamburg-Eppendorf.
- In 1996, he completed his doctoral thesis on the subject "Disorders of microcirculation in acute pancreatitis".
- Prof. Knoefel's main focus includes the surgical treatment of malignant tumors of the liver, biliary tract, and pancreas, thyroid, lung, and rectum.
- He likes to write articles and book chapters for national and international journals.

Dr. med. Holger Bahn
General Surgeon
- Dr. med. Holger Bahn is a well-known General Surgeon with experience of more than 19 years.
- He pursued his state examination in medicine from FU and HU Berlin from 1991 to 1998.
- He has worked in a multitude of prestigious organizations such as the Martinus Hospital Düsseldorf, Maltese Hospital St. Carolus, St. Hedwig Hospital, Ruppiner Kliniken GmbH, etc.
- Dr. Bahn has extensive experience and professionalism in the field of bariatric surgery, as well as in the treatment of complications after bariatric surgery.
- He has a number of publications to his credit in various reputed national and international journals.
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- Dr. med. Holger Bahn is a well-known General Surgeon with experience of more than 19 years.
- He pursued his state examination in medicine from FU and HU Berlin from 1991 to 1998.
- He has worked in a multitude of prestigious organizations such as the Martinus Hospital Düsseldorf, Maltese Hospital St. Carolus, St. Hedwig Hospital, Ruppiner Kliniken GmbH, etc.
- Dr. Bahn has extensive experience and professionalism in the field of bariatric surgery, as well as in the treatment of complications after bariatric surgery.
- He has a number of publications to his credit in various reputed national and international journals.

Prof. Dr. Robert Grutzmann
General Surgeon
- Prof. Dr. Robert Grutzmann is a General & Visceral Surgeon with experience of more than 24 years.
- He is a member of the Working Group on Hepatobiliary Surgery (CALGP), German Society of General and Abdominal Surgery (DGAV), German Society of Surgery (DGCH), and German Society for Vascular Surgery and Vascular Medicine (DGG).
- He completed his medical studies from 1990 to 1997 at the Berlin Charité University and moved to the University Clinic Dresden, where he received three specialist medical degrees and a Master of Business Administration in Health Care Management.
- Dr. Grutzmann became an international specialist in pancreatic cancer and has been awarded numerous prizes for his research.
- He has published around 120 specialist articles so far - such as the Von Langenbeck Prize of the German Society for Surgery.
- He is specialized in procedures such as gastric sleeve resection, gastric band surgery, biliopancreatic diversion, revision surgeries, minimally invasive procedures, etc.
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- Prof. Dr. Robert Grutzmann is a General & Visceral Surgeon with experience of more than 24 years.
- He is a member of the Working Group on Hepatobiliary Surgery (CALGP), German Society of General and Abdominal Surgery (DGAV), German Society of Surgery (DGCH), and German Society for Vascular Surgery and Vascular Medicine (DGG).
- He completed his medical studies from 1990 to 1997 at the Berlin Charité University and moved to the University Clinic Dresden, where he received three specialist medical degrees and a Master of Business Administration in Health Care Management.
- Dr. Grutzmann became an international specialist in pancreatic cancer and has been awarded numerous prizes for his research.
- He has published around 120 specialist articles so far - such as the Von Langenbeck Prize of the German Society for Surgery.
- He is specialized in procedures such as gastric sleeve resection, gastric band surgery, biliopancreatic diversion, revision surgeries, minimally invasive procedures, etc.

Dr. med. Utz Schernikau
General Surgeon
- Dr. med. Utz Schernikau is a General & Visceral Surgeon with experience of more than 24+ years in the field.
- He is a member of reputed organizations such as the German Society for Visceral Surgery, Berlin Surgical Society, BDC, and many more.
- He studied human medicine in Berlin (Humboldt University) and Dublin (University College) from 1989 - 1996.
- In 2005, he did his further training in sub-specialization in Visceral Surgery at SANA Lichtenberg (Prof. Gellert)
- He received his Ph.D. (prenatal diagnosis of lung malformations, Prof. Bollmann, Charité) in 1997.
- Dr. Schernikau is specialized in procedures like Roux-y gastric bypass, gastric sleeve resection, gastric band surgery, biliopancreatic diversion, revision surgeries, minimally invasive procedures, etc.
- He has more than 60 international journals and more than 10 domestic articles.
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- Dr. med. Utz Schernikau is a General & Visceral Surgeon with experience of more than 24+ years in the field.
- He is a member of reputed organizations such as the German Society for Visceral Surgery, Berlin Surgical Society, BDC, and many more.
- He studied human medicine in Berlin (Humboldt University) and Dublin (University College) from 1989 - 1996.
- In 2005, he did his further training in sub-specialization in Visceral Surgery at SANA Lichtenberg (Prof. Gellert)
- He received his Ph.D. (prenatal diagnosis of lung malformations, Prof. Bollmann, Charité) in 1997.
- Dr. Schernikau is specialized in procedures like Roux-y gastric bypass, gastric sleeve resection, gastric band surgery, biliopancreatic diversion, revision surgeries, minimally invasive procedures, etc.
- He has more than 60 international journals and more than 10 domestic articles.
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