Best Gastroenterologists in Germany

• Prof. Dr. Dieter Haussinger is a renowned Medical Gastroenterologist with experience of more than 44+ years in the field.
• He is the President of the German Association for the Study of the Liver (GASL), Presidium Member of the North-Rhine-Westphalian Academy of Sciences, Humanities and Arts (since 2016 Vice President), Council Member of the Medical Faculty of the Heinrich Heine University Duesseldorf, and Senate Member of the Gottfried Wilhelm Leibniz Scientific Community.
• He is also the Dean of the Medical Faculty at the Heinrich Heine University Duesseldorf and Board Member of the University Hospital Duesseldorf, Scientific Advisory Board Member of the Boehringer Ingelheim Foundation, Member of the Senate and Licensing Committee of the German Research Foundation for the Special Research Areas, and many more organizations.
• He has completed his Medical Studies at the Ludwig Maximilian University of Munich in 1970.
• He has a special interest in Endoscopic ultrasound, Longitudinal & Transversalscanner with puncture Gastroscopy, Diagnostic and interventional endoscopy, colonoscopy, Hemostasis (argon plasma coagulation clipping, Endoloop), Ultrathin-Endoscopy (e.g. nasal gastroscopy), Reflux disease & Gastrointestinal Motility measurements, etc.
• He has presented numerous papers in national as well as international conferences. 

• Prof. Dr. Siegbert Rossol is a renowned Medical Gastroenterologist with 34+ years in the field.
• He has professional membership of the German Society for Digestive and Metabolic Diseases, Fellow of the European Board of Gastroenterology, German Association for the Study of the Liver (GASL), European Association for the Study of the Liver (EASL), American Association for the Study of Liver Diseases (AASLD), German Society for Health Economics eV (dggö), and many more.
• He has studied human medicine in Hamburg, Marburg, and Giessen from 1980 - 1986, and received Alexander von Humboldt Scholarship Institution: Institute of Liver Studies, Prof. R. Williams King's College School, the University of London in 1995.
• Later, he studied Health Management Academy for Further Education at the Universities of Mannheim and Heidelberg, Master of Science (M.Sc.) in 1999.
• He has exceptional expertise in Interventional Sonography, Endoscopic Therapy of Zenker Diverticulum, Endoscopic Resection of intestinal cancer (EMR/ESD), Endobarrier, Therapy of IBD (inflammatory bowel disease), etc.
• He has published articles and publications in diverse national and international paper journals.

• Dr. med. Thomas Gregori is a renowned Medical Gastroenterologist with experience of more than 32+ years.
• He is a member of prestigious organizations such as the German Society for Internal Medicine and the German Society for Rheumatology.
• He studied human medicine at the Humboldt University in Berlin and received a diploma thesis with the title of Dipl. in 1988.
• He has a specialist training in internal medicine at the Berlin-Weißensee municipal hospital as well as longer periods of training at the Charité, Berlin-Buch Clinic, Berlin Prenzlauer Berg Hospital between 1988 to 1993.
• His interests include management of end-stage liver disease/cirrhosis, Liver transplant, Fatty liver disease/NASH, Management of Gastrointestinal bleeding, Luminal therapeutic endoscopy, etc.
• Dr. Gregori has been honored with several awards and recognitions and written articles and papers in national journals.

• Prof. Dr. Wolfgang Stremmel is a Medical Gastroenterologist with experience of more than 40+ years.
• He studied medicine and completed his graduation from the University of Cologne in 1970. he later switched to internal medicine and gastroenterology at the University of Düsseldorf in 1978.
• Additionally, he was sponsored by the German Research Council (DFG) a Research Fellowship at the Mt. Sinai School of Medicine, N.Y.C., USA. 
• He was awarded the highly recognized Gottfried Leipzig Research Program, the Thannhauser Decoration of the Germany Gastroenterological Association (DGVS), and he also received an honorary doctorate from the University of Tiflis, Georgia. 
• He has a special interest in Hepatology (liver disease), Gastroenterology (diseases of the digestive organs), Intensive care, Hepatobiliary, gastrointestinal & neuroendocrine tumor diseases, Diagnostic, and interventional endoscopy.
• He has published over 600 original articles in peer-reviewed journals.

• Dr. Huseyin Bektas is a Surgical Oncologist. He is Professor, Doctor of Medical Sciences. 
• Dr. Bektas is a member of The Association of Hepatobiliary and Pancreatic Surgery, German Society for Surgery, Association of Northwest German Surgeons, Association of German Surgeons, International College of Surgeon, Regenerative Medicine and Experimental Surgery (ReMediES).  He is also a   Board Member of SAZ Children’s Fund.
• Dr.Bektas studied medicine at Medizinische Hochschule Hanover (MHH, Hanover) where he teaches too.
• His areas of interest are, performing liver resection procedures and treating pancreatic cancer and transplant, Hepatocellular carcinoma and Gastric cancer.
• He has contributed significantly to many scientific publications. 

•  Dr. Johann Ockenga is a Surgical Oncologist and a Gastrointestinal Surgeon at Bremen-Mitte Clinic with an experience of 20 years. 
•  He was the Secretary of the German Society of Nutritional Medicine (2012). He has worked on several projects to develop guidelines for nutritional medicine. He has also contributed to the review of the World Journal of Gastroenterology. 
•  He possesses expertise in treating Sigmoid adenocarcinoma, Hepatocellular Carcinoma, Hepatitis B, Liver Diseases, Immunology and Colon cancer. 
•  He has contributed several papers to various publications over his career of two decades.  
 

• Prof. Dr. Britta Siegmund is a prominent Medical Gastroenterologist with experience of more than 20+ years.
• She is a member of the Berlin-Brandenburg Society of Gastroenterology and Hepatology, Berlin-Brandenburg Academy of Sciences & Humanities, German Association of University Professors and Lecturers, German Society of Gastroenterology & Digestive and Metabolic Diseases, European Crohn’s and Colitis Organisation, Intestinal Diseases Network, Society of Mucosal Immunology, etc.
• She studied human medicine at the LMU Munich from 1992 to 1998 and received a grant from the Harvard-Munich Alliance for Medical Education at the Harvard Medical School in Boston.
• After her internship, she went as part of a DFG research fellowship at the University of Colorado in Denver in 2000.
• She is trained in diagnostic as well as therapeutic endoscopy, colonoscopy, ERCP, and adept in treating gastrointestinal disorders, including liver and pancreatic diseases.
• Dr. Siegmund has written for various publications in international as well as national medical journals.

• Prof. Dr. med. Mathias Z. Strowski is a prominent Medical Gastroenterologist with experience of more than 24+ years.
• He is a member of the German Society for Digestive and Metabolic Diseases (DGVS), German Diabetes Society (DDG), German Society for Endocrinology (DGE), European Association for Studies in Diabetes (EASD), Society for Gastroenterology and Hepatology in Berlin & Brandenburg (GGHBB), Berlin Medical Association, and many more.
• He studied human medicine at the Philipps-University Marburg, Manchester & Ann Arbor from 1989 to 1996 and later did his Doctoral Thesis, MD (summa cum laude) from Philipps-University Marburg in 1997.
• He has a Postdoctoral Fellowship of the German Research Society (DFG) Department of Chemical Biology & Endocrinology, from Merck Research Laboratories, Rahway, New Jersey, the USA in 1998.
• He also has completed his Habilitation at the Charité – University Medicine Berlin, Humboldt-University Venia legendi in Experimental and Internal Medicine in 2006.
• He is trained in diagnostic as well as therapeutic endoscopy, colonoscopy, ERCP, and adept in treating gastrointestinal disorders, including liver and pancreatic diseases.
• Dr. Strowski has written for various periodicals in international and national medical journals.

• Dr. Alexander Seelhoff is a Medical Gastroenterologist with 24+ years in the field.
• He has studied medicine from various prestigious institutions in Cologne, German; New Haven (Yale), and New York (Mount Sinai), the USA from 1990 to 1996.
• He has several Specialisation training in Internal Medicine and Gastroenterology in Cologne, Germany (1999-2003); Specialisation in Hepatology from Liver Transplantation Center University of Essen, Germany (2004-2007); and Specialisation in Interventional Endoscopy from Evangelisches Krankenhaus Duesseldorf, Germany (2007 - 2010).
• He has exceptional knowledge in Endoscopic Therapy of Zenker Diverticulum, Endobarrier, Endoscopic Resection of intestinal cancer (EMR/ESD), RFA (BARRX) for Barrett Esophagus, Photodynamic Therapy of Bile duct cancer, Interventional Sonography, Therapy of IBD (inflammatory bowel disease), etc.
• He has published articles and publications in various national and international paper journals.

• Dr. Jurgen Stein is a respected Medical Gastroenterologist with experience of more than 21+ years in the field.
• He is a member of the German Society for Digestive and Metabolic Diseases (DGVS), American Gastroenterological Association (AGA), New York Academy of Sciences, German Working Group for Inflammatory Bowel Diseases (DACED), Central German Society for Gastroenterology, European Crohn Colitis Organization (ECCO), etc.
• He completed his study of nutritional science, biophysics, and medicine at the Justus Liebig University, Giessen in 1989, and Habilitation and appointment as a private lecturer for the subject of internal medicine in 1997.
• Additionally, he has done a Ph.D. according to the law for the promotion of young scientists of the State of Hesse (HGFöN) in 1986. 
• He has a special interest in interventional endoscopy., Hepatology (liver disease), Gastroenterology (diseases of the digestive organs), Intensive care, Hepatobiliary, gastrointestinal & neuroendocrine tumor diseases, etc.
• He has written various articles and publications in national and international medical journals.

• Prof. Dr. Mario Anders is a Berlin-based Medical Gastroenterologist with experience of more than 21+ years.
• He is a member of the German Society for Digestive and Metabolic Diseases, German Society for Endoscopy and Imaging Techniques e.V, German Cancer Society, Working group of internal oncologists, Society for Gastroenterology and Hepatology in Berlin and Brandenburg e.V., Association of gastroenterological specialists in internal medicine in Berlin e.V.
• He has named as the Top Medical Specialist "Gastroscopy“ by Focus Magazine in Germany.
• He has been a Research Fellow at the prestigious UCSF Cancer Center, San Francisco, the USA in 1999.
• He has a special interest in Endoscopic resection of adenomas and early cancers of the GI tract (i.e. early Barrett`s carcinoma), Dilatation and/or stenting of benign and malignant lesions, Removal of stones from the biliary and/or pancreatic ducts, Treatment of Achalasia (i.e. POEM), Barrett’s Esophagus, Chronic pancreatitis, Zenker's diverticulum, etc.
• With his extensive knowledge, he has given various speeches both nationally and internationally.

• Dr. med. Skander Bouassida is a Surgical Gastroenterologist with 18+ years of experience in the field of Coloproctology.
• He is a member of the German Society of Coloproctology (DGK), German Continence Society (DKG), European Society of Coloproctology (ESCP), and German Society of General and Visceral Surgery (DGAV).
• He has been honored by numerous awards and Gold Medals including an Award of the German Society of Coloproctology (DGK) for work about anal fistula (LIFT-Procedure), etc.
• He completed his medical education at the University of Leipzig, Germany in 1997, and he was a Fellow of the European Board for Surgical Qualification – section Coloproctology (EBSQ-C) in 2014.
• He has authored more than 100 publications in various scientific national and international journals.
• Dr. Bouassida is well-versed with procedures such as Laparoscopic minimally invasive colorectal surgery, Robotic-assisted minimally invasive colorectal surgery, Transanal minimally invasive surgery, no scar surgery, Laser surgery in proctology, Reconstructive anorectal surgery, D‘Hoore robotic rectopexy with bioimplant, Botox-supported technique proctology, etc.