All specialties

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.

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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Prof. Dr. Ulrich Bocker
Medical Gastroenterologist
- Prof. Dr. Ulrich Bocker is a Medical Gastroenterologist with experience of more than 14+ years.
- He is an active member of the American Gastroenterological Association, European Association for the Study of the Liver, European Crohn´s and Colitis Organisation, German Association for Internal Medicine, German Cancer Foundation, and German Society for Digestive and Metabolic Disease.
- He has completed his education from the University Medical Centers Essen and Mannheim, Germany, and also UNC-Chapel Hill, the USA from 1992 to 2006.
- He has a special interest in Hepatology, Infectious diseases, Interventional endoscopy, Inflammatory bowel diseases, Viral hepatitis, chronic liver disease, and liver cirrhosis, Acute & chronic pancreatitis, Gastrointestinal oncology, etc.
- He has attended various workshops and conferences and given guest lecturers in Germany as well as abroad.
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- Prof. Dr. Ulrich Bocker is a Medical Gastroenterologist with experience of more than 14+ years.
- He is an active member of the American Gastroenterological Association, European Association for the Study of the Liver, European Crohn´s and Colitis Organisation, German Association for Internal Medicine, German Cancer Foundation, and German Society for Digestive and Metabolic Disease.
- He has completed his education from the University Medical Centers Essen and Mannheim, Germany, and also UNC-Chapel Hill, the USA from 1992 to 2006.
- He has a special interest in Hepatology, Infectious diseases, Interventional endoscopy, Inflammatory bowel diseases, Viral hepatitis, chronic liver disease, and liver cirrhosis, Acute & chronic pancreatitis, Gastrointestinal oncology, etc.
- He has attended various workshops and conferences and given guest lecturers in Germany as well as abroad.

Dr. Stephan Eggeling
Surgical Oncologist
- Dr. Stephan Eggeling is a Surgical Oncologist with experience of 28+ years in the field.
- He is a member of the German Society for Pneumology, Deutsche Gesellschaft für Chirurgie, International courses for thoracoscopic & mediastinoscopic surgery techniques, DGT, ESTS, and EACTS.
- He completed his medical studies at Semmelweis Medical University, Budapest in 1986, and specialization in thoracic surgery from Oskar-Ziethen Hospital, Berlin, Germany in 2001.
- Dr. Eggeling has exceptional knowledge in Lung cancer staging, curative and palliative surgery, Surgery for mesothelioma, Laser surgery of lung metastases, intraoperative hyperthermic chemotherapy, Surgery for pneumothorax, pleural empyema & emphysema, Minimally invasive thoracic surgery, Tracheal Surgery, Interventional bronchoscopy, stents, laser therapy, endobronchial valve placement, etc.
- He has published many articles in peer-reviewed national and international journals.
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- Dr. Stephan Eggeling is a Surgical Oncologist with experience of 28+ years in the field.
- He is a member of the German Society for Pneumology, Deutsche Gesellschaft für Chirurgie, International courses for thoracoscopic & mediastinoscopic surgery techniques, DGT, ESTS, and EACTS.
- He completed his medical studies at Semmelweis Medical University, Budapest in 1986, and specialization in thoracic surgery from Oskar-Ziethen Hospital, Berlin, Germany in 2001.
- Dr. Eggeling has exceptional knowledge in Lung cancer staging, curative and palliative surgery, Surgery for mesothelioma, Laser surgery of lung metastases, intraoperative hyperthermic chemotherapy, Surgery for pneumothorax, pleural empyema & emphysema, Minimally invasive thoracic surgery, Tracheal Surgery, Interventional bronchoscopy, stents, laser therapy, endobronchial valve placement, etc.
- He has published many articles in peer-reviewed national and international journals.

Dr. med. Claudia Gerber-Schafer
Surgical Oncologist
- Dr. med. Claudia Gerber-Schafer is one of the most renowned Surgical Oncologist in the field of Breast Cancer.
- She has a rich experience of 25+ years and has performed close to 1000 surgeries.
- She is a member of professional organizations such as the German Society for Senology (DGS), German Society for Gynecology and Obstetrics (DGGG), Working group for aesthetic, plastic, and restorative surgical procedures in gynecology eV (AWO GYN), European Academy of Senology (EAos), North-East German Society for Gynecological Oncology (NOGGO eV), and Professional Association of Gynecologists.
- Dr. Claudia has a special interest in high-resolution breast sonography, high-speed biopsy, breast cancer surgery, reconstructive breast surgery, aesthetic breast surgery, chemotherapy and immunotherapy, complementary and naturopathic medicine, acupuncture, etc.
- She has published several scientific articles in peer-reviewed journals and contributed to chapters in books.
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- Dr. med. Claudia Gerber-Schafer is one of the most renowned Surgical Oncologist in the field of Breast Cancer.
- She has a rich experience of 25+ years and has performed close to 1000 surgeries.
- She is a member of professional organizations such as the German Society for Senology (DGS), German Society for Gynecology and Obstetrics (DGGG), Working group for aesthetic, plastic, and restorative surgical procedures in gynecology eV (AWO GYN), European Academy of Senology (EAos), North-East German Society for Gynecological Oncology (NOGGO eV), and Professional Association of Gynecologists.
- Dr. Claudia has a special interest in high-resolution breast sonography, high-speed biopsy, breast cancer surgery, reconstructive breast surgery, aesthetic breast surgery, chemotherapy and immunotherapy, complementary and naturopathic medicine, acupuncture, etc.
- She has published several scientific articles in peer-reviewed journals and contributed to chapters in books.

Dr. med. Marion Paul
Surgical Oncologist
- Dr. med. Marion Paul is one of the most celebrated Surgical Oncologist in the field of Breast Cancer with experience of 23+ years.
- She is a member of the German Society of Senology (DGS), German Society of Gynecology and Obstetrics (DGGG), AWO GYN, and Professional Association of Gynecologists.
- She has completed her medical studies at Free University Berlin, Germany in 1987, and achieved her specialization in Acupuncture in 1999.
- Dr. Paul has exceptional knowledge in Breast Cancer Surgery, Sentinel Node Biopsy, Breast Reconstruction, Aesthetic Surgery, Breast Augmentation, Breast Reduction, Mastopexy (uplift), Chemotherapy & Immunotherapy, Acupuncture, etc.
- She was one of the first doctors in Germany to use the sentinel lymph node method, which is a procedure now used as one of the standard procedures in the treatment of breast cancer.
- She has published several scientific articles in peer-reviewed journals and contributed to chapters in books.
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- Dr. med. Marion Paul is one of the most celebrated Surgical Oncologist in the field of Breast Cancer with experience of 23+ years.
- She is a member of the German Society of Senology (DGS), German Society of Gynecology and Obstetrics (DGGG), AWO GYN, and Professional Association of Gynecologists.
- She has completed her medical studies at Free University Berlin, Germany in 1987, and achieved her specialization in Acupuncture in 1999.
- Dr. Paul has exceptional knowledge in Breast Cancer Surgery, Sentinel Node Biopsy, Breast Reconstruction, Aesthetic Surgery, Breast Augmentation, Breast Reduction, Mastopexy (uplift), Chemotherapy & Immunotherapy, Acupuncture, etc.
- She was one of the first doctors in Germany to use the sentinel lymph node method, which is a procedure now used as one of the standard procedures in the treatment of breast cancer.
- She has published several scientific articles in peer-reviewed journals and contributed to chapters in books.
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