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Dr. Med. Ulrich P. Baumgarten
Medical Gastroenterologist
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- With +25 years of expertise, Dr. Ulrich P. Baumgarten is an acclaimed Medical Gastroenterologist in Germany.
- He is an expert in conditions affecting the entire digestive system, with a focus on gastroenterological endoscopy for conditions affecting the rectal and inflammatory bowel.
- He is a member of the German Medical Association, the German Society for Digestive and Metabolic Diseases, the German Society for Ultrasound in Medicine and the German Society of Internal Medicine.
- Dr. Med. Ulrich P. Baumgarten gained his MBBS (1984) from University of Göttingen.
- He did his specialization in Internal Medicine (1995) at the University Hospital Of Ulm.
- Dr. Med. Ulrich P. Baumgarten is the author of several publications and articles.
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- With +25 years of expertise, Dr. Ulrich P. Baumgarten is an acclaimed Medical Gastroenterologist in Germany.
- He is an expert in conditions affecting the entire digestive system, with a focus on gastroenterological endoscopy for conditions affecting the rectal and inflammatory bowel.
- He is a member of the German Medical Association, the German Society for Digestive and Metabolic Diseases, the German Society for Ultrasound in Medicine and the German Society of Internal Medicine.
- Dr. Med. Ulrich P. Baumgarten gained his MBBS (1984) from University of Göttingen.
- He did his specialization in Internal Medicine (1995) at the University Hospital Of Ulm.
- Dr. Med. Ulrich P. Baumgarten is the author of several publications and articles.
Prof. Dr. Med. Martin Strik
Colorectal Surgeon
- Prof. Dr. Med. Martin Strik is a surgical oncologist with 23+ years of experience.
- His clinical interest lies in Surgical Oncology, Minimal Invasive Surgery, Oncologic Surgery of Upper and Lower GI, Pancreatic and Hepatic Surgery, Esophagus and Stomach Surgery, Colorectal Surgery (malignant and benign), Abdominal Soft Tissue Tumors (Sarcomas), Coloproctology, Endocrine Surgery, Thyroid Surgery and Incisional Hernia surgery.
- He graduated from the University of Wurzburg, Germany and post-graduation from the University of Bern, Switzerland.
- He also did a surgical residency at the University Hospital, Freiburg.
- Dr. Strik is certified by the German Cancer Society, German Hernia Society and German Society for General and Visceral Surgery.
- He has authored many scientific papers and publications for national journals.
- He is a speaker of the German HNPCC-Study group and secretary of the CAMO.
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- Prof. Dr. Med. Martin Strik is a surgical oncologist with 23+ years of experience.
- His clinical interest lies in Surgical Oncology, Minimal Invasive Surgery, Oncologic Surgery of Upper and Lower GI, Pancreatic and Hepatic Surgery, Esophagus and Stomach Surgery, Colorectal Surgery (malignant and benign), Abdominal Soft Tissue Tumors (Sarcomas), Coloproctology, Endocrine Surgery, Thyroid Surgery and Incisional Hernia surgery.
- He graduated from the University of Wurzburg, Germany and post-graduation from the University of Bern, Switzerland.
- He also did a surgical residency at the University Hospital, Freiburg.
- Dr. Strik is certified by the German Cancer Society, German Hernia Society and German Society for General and Visceral Surgery.
- He has authored many scientific papers and publications for national journals.
- He is a speaker of the German HNPCC-Study group and secretary of the CAMO.
Dr. med. Jens Koeniger
Medical Gastroenterologist
- Dr. med. Jens Koeniger is a gastroenterologist with 19+ years of experience.
- His forte includes treatment of colon polyps, colon cancer, celiac disease, hepatitis, heartburn, or gastroesophageal reflux (GERD), gallbladder disease, irritable bowel syndrome (IBS), pancreatitis, Gastroscopy, Colonoscopy and ERCP.
- He is a member of the German Society for Internal Medicine (DGIM), German Society for Gastroenterology, Digestive and Metabolic Diseases (DGVS), German Society for Palliative Medicine (DGP), Federal Association of Gastroenterology Germany (BVGD) and Society for Gastroenterology and Hepatology Berlin (GGHBB).
- Dr. Koeniger did specialist training in gastroenterology from Helios Mariahilf Clinic in Hamburg.
- He did graduation from the University of Bonn, Bonn and post-graduation from the University of Frankfurt am Main, Frankfurt.
- He completed PhD at Benjamin Franklin University Hospital, FU Berlin.
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- Dr. med. Jens Koeniger is a gastroenterologist with 19+ years of experience.
- His forte includes treatment of colon polyps, colon cancer, celiac disease, hepatitis, heartburn, or gastroesophageal reflux (GERD), gallbladder disease, irritable bowel syndrome (IBS), pancreatitis, Gastroscopy, Colonoscopy and ERCP.
- He is a member of the German Society for Internal Medicine (DGIM), German Society for Gastroenterology, Digestive and Metabolic Diseases (DGVS), German Society for Palliative Medicine (DGP), Federal Association of Gastroenterology Germany (BVGD) and Society for Gastroenterology and Hepatology Berlin (GGHBB).
- Dr. Koeniger did specialist training in gastroenterology from Helios Mariahilf Clinic in Hamburg.
- He did graduation from the University of Bonn, Bonn and post-graduation from the University of Frankfurt am Main, Frankfurt.
- He completed PhD at Benjamin Franklin University Hospital, FU Berlin.
Prof. Dr. Med. Frank Kolligs
Surgical Gastroenterologist
- Prof. Dr. Med. Frank Kolligs is a gastroenterologist with 17+ years of experience.
- His areas of expertise include gastroenterology, hepatology, endoscopy, ultrasound and functional diagnosis.
- He is a recognized expert in the treatment of liver cancer and colorectal cancer.
- Dr. Kolligs is engaged in scientific activities at the University of Marburg and the University of Michigan, USA.
- He also participates in conferences of specialized societies.
- He completed his graduation and post-graduation from eminent universities in Germany.
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- Prof. Dr. Med. Frank Kolligs is a gastroenterologist with 17+ years of experience.
- His areas of expertise include gastroenterology, hepatology, endoscopy, ultrasound and functional diagnosis.
- He is a recognized expert in the treatment of liver cancer and colorectal cancer.
- Dr. Kolligs is engaged in scientific activities at the University of Marburg and the University of Michigan, USA.
- He also participates in conferences of specialized societies.
- He completed his graduation and post-graduation from eminent universities in Germany.
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Dr. Ralf-Marco Liehr
Medical Gastroenterologist
- Dr. Ralf-Marco Liehr is a renowned Medical Gastroenterologist with experience of more than 36+ years in the field.
- He has completed his Medical Studies at Freie Universität Berlin, Germany in 1978, and did his specialization in Internal Medicine, Infectiology, Oncology & Gastroenterology in Berlin and at the VA Medical Centre Kansas City, the University of Kansas, the USA in 1988.
- Furthermore, he did his Habilitation treatise and Lecturership at the Medical Faculty, Charité Berlin, Germany in 1995.
- He has operated on more than 4000 endoscopies per year.
- He has a special interest in Diagnostic and interventional endoscopy, Endoscopic ultrasound, Longitudinal and Transversalscanner with puncture Gastroscopy, colonoscopy, Hemostasis (argon plasma coagulation clipping, Endoloop), Ultrathin-Endoscopy (e.g. nasal gastroscopy), Reflux disease & Gastrointestinal Motility measurements, etc.
- He has presented many papers in national as well as international conferences.
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- Dr. Ralf-Marco Liehr is a renowned Medical Gastroenterologist with experience of more than 36+ years in the field.
- He has completed his Medical Studies at Freie Universität Berlin, Germany in 1978, and did his specialization in Internal Medicine, Infectiology, Oncology & Gastroenterology in Berlin and at the VA Medical Centre Kansas City, the University of Kansas, the USA in 1988.
- Furthermore, he did his Habilitation treatise and Lecturership at the Medical Faculty, Charité Berlin, Germany in 1995.
- He has operated on more than 4000 endoscopies per year.
- He has a special interest in Diagnostic and interventional endoscopy, Endoscopic ultrasound, Longitudinal and Transversalscanner with puncture Gastroscopy, colonoscopy, Hemostasis (argon plasma coagulation clipping, Endoloop), Ultrathin-Endoscopy (e.g. nasal gastroscopy), Reflux disease & Gastrointestinal Motility measurements, etc.
- He has presented many papers in national as well as international conferences.
Prof. Dr. Hans Scherubl
Medical Gastroenterologist
- Prof. Dr. Hans Scherubl is a celebrated Medical Gastroenterologist with experience of more than 34+ years in the field.
- He has studied medicine from various organizations such as the Universities of Regensburg, Freiburg, Heidelberg, Salamanca, Newcastle upon Tyne, and Glasgow from 1978 to 1986.
- He also did his Doctoral thesis (Ph.D.) and residency, Dept. of Metabolic Diseases & Endocrinology, University of Heidelberg, Germany in 1987.
- He has been a part of the Teaching hospital of Charité University, Berlin, Germany in 2006.
- He has a special interest in Neuroendocrine tumors/carcinoids, Liver tumors, Hepatocellular cancer (HCC), Liver cirrhosis, hepatitis, Ligation of esophageal, TIPS, SIRT, TARE, TACE, etc.
- He has more than 100+ publications to his credit in various prestigious national and state journals.
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- Prof. Dr. Hans Scherubl is a celebrated Medical Gastroenterologist with experience of more than 34+ years in the field.
- He has studied medicine from various organizations such as the Universities of Regensburg, Freiburg, Heidelberg, Salamanca, Newcastle upon Tyne, and Glasgow from 1978 to 1986.
- He also did his Doctoral thesis (Ph.D.) and residency, Dept. of Metabolic Diseases & Endocrinology, University of Heidelberg, Germany in 1987.
- He has been a part of the Teaching hospital of Charité University, Berlin, Germany in 2006.
- He has a special interest in Neuroendocrine tumors/carcinoids, Liver tumors, Hepatocellular cancer (HCC), Liver cirrhosis, hepatitis, Ligation of esophageal, TIPS, SIRT, TARE, TACE, etc.
- He has more than 100+ publications to his credit in various prestigious national and state journals.
Dr. med. Thomas Gregori
Medical Gastroenterologist
- 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.
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- 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. Britta Siegmund
Medical Gastroenterologist
- 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.
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- 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
Medical Gastroenterologist
- 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.
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- 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
Medical Gastroenterologist
- 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.
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- 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.
Prof. Dr. Mario Anders
Medical Gastroenterologist
- 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.
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- 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
Colorectal SurgeonBerlin, Germany
22+ years of experience
Head of Department
Works At: Vivantes Hospital Group
4.7 (13 Ratings)
- 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.
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- 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.
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