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Infectious Diseases

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Profiles in Infectious Diseases

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Prof. Dr. med. Ulrike Protzer

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Prof. Dr. med. Ulrike Protzer is Director of the Institute of Virology at the Technical University of Munich (TUM). Her research focuses on pathogenic human viruses, particularly hepatitis viruses, their replication mechanisms and role in virus-associated diseases. The institute also provides virological diagnostics for TUM's university hospitals.

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PD Dr. med. habil. Stefan Christensen

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PD Dr. med. habil. Stefan Christensen heads the Centrum für Infektiologie Münster, specializing in infectious diseases and their associated conditions since 1995. Clinical focus: HIV care (treatment, PrEP/PEP), viral hepatitis (A–E) with a liver-disease emphasis, sexually transmitted infections, liver stiffness measurement via elastography (ShearWave imaging), travel medicine/vaccinations, and addiction medicine. He is active in clinical research and collaborates with regional hospitals and University Hospital Münster (UKM). Listed by Deutsche Leberhilfe e.V. as a specialty hepatology practice.

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Dr. med. Andreas Leodolter

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Dr. Andreas Leodolter has been chief physician of the Department of Gastroenterology, Hepatology, Metabolic and Infectious Diseases (Medical Clinic II) at Sana Klinikum Remscheid since 1 October 2009. He studied medicine at the Universities of Bonn and Vienna and completed his specialist training in gastroenterology at the University of Magdeburg under Prof. Dr. Malfertheiner. In 2002 he was appointed junior professor of molecular gastroenterology at the University of Magdeburg, researching gastroesophageal reflux disease and colorectal cancer prevention; he then spent about 18 months doing research in the United States before serving four years as senior physician of the Department of Internal Medicine at Jung-Stilling Hospital Siegen. He holds additional qualifications in gastroenterology and proctology, with clinical expertise in endoscopic procedures, gastrointestinal function diagnostics, and nutritional medicine.

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Prof. Dr. med. Carsten Gartung

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Prof. Dr. Carsten Gartung heads the Department of Gastroenterology, Hepatology and Infectious Diseases at Johannes Wesling Klinikum Minden (Mühlenkreiskliniken), treating disorders of the digestive tract, liver, and infectious diseases, with a focus on liver and bile duct disease (including cirrhosis, hepatitis B/C/D, MASLD/fatty liver disease, PBC, and PSC), pancreatic disease, nutritional medicine, and endoscopic cancer screening. He also sees outpatients through an inter-regional group practice. The department has a certified colorectal and pancreatic cancer center and offers the full spectrum of diagnostic and interventional endoscopy including ERCP, endosonography, and capsule endoscopy.

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Prof. Dr. med. Verena Keitel-Anselmino

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Prof. Dr. Verena Keitel-Anselmino has been director of the University Clinic for Gastroenterology, Hepatology and Infectious Diseases at Magdeburg University Hospital (Otto von Guericke University) since 1 September 2021, where she also leads the treatment of liver and bile duct disease. Before her appointment to Magdeburg, she was a senior physician at the Department of Gastroenterology, Hepatology and Infectious Diseases at Heinrich Heine University Düsseldorf, where she completed her habilitation and was appointed W2 professor of internal medicine in 2015. Her research focuses on bile acid signaling and translational research into cholestatic liver disease.

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Prof. Dr. med. Christian Gerges

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Prof. Dr. Christian Gerges is chief physician of Medical Clinic II (Gastroenterology, Gastrointestinal Oncology, Hepatology, Neurogastroenterology and Infectious Diseases) at Helios Klinikum Krefeld, having taken over in 2025 from Prof. Dr. Thomas Frieling, who led the department for nearly 25 years and made it nationally recognized for neurogastroenterology. Born in Mülheim, Gerges studied medicine at Heinrich Heine University Düsseldorf, became a board-certified internist in 2015 and a gastroenterology specialist in 2018, and completed his habilitation at the University of Duisburg-Essen in 2023. A significant part of his clinical training took place at the Evangelical Hospital Düsseldorf, and he most recently headed endoscopy at the Department of Gastroenterology, Hepatology and Transplant Medicine at Essen University Hospital. His focus is on interventional endoscopy, particularly complex procedures for liver and pancreatic disease, endoscopic removal of early gastrointestinal tumors, and treatment of functional swallowing and gastric emptying disorders.

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Prof. Dr. med. Patrick Michl

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Prof. Dr. Patrick Michl is W3 professor and medical director of the Department of Gastroenterology, Hepatology, Infectious Diseases and Intoxications (Internal Medicine IV) at Heidelberg University Hospital. He studied medicine at Ludwig Maximilian University Munich (1991-1999) with clinical rotations at UCLA and Harvard Medical School, completed his specialist training in internal medicine and gastroenterology at the University of Ulm (2000-2006), and gained further qualifications in infectious diseases and oncological pharmacotherapy in Marburg (2006-2010), where he served as senior consultant until 2015. From 2015 to 2022 he headed internal medicine as W3 professor at Martin Luther University Halle-Wittenberg, and gastroenterology in Heidelberg since 2022. His research focuses on pancreatic diseases, particularly surveillance programs for familial pancreatic cancer; he received the United European Gastroenterology "Rising Star" award (2009) and the Ludwig Heilmeyer Prize (2008), and serves on the board of the European Pancreas Club.

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PD Dr. med. Jan-Michel Otte

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PD Dr. Jan-Michel Otte is chief physician of the Department of Internal Medicine I (Gastroenterology, Oncology, Infectious Diseases, Diabetology and Metabolic Diseases) at Klinikum Links der Weser (Gesundheit Nord, Bremen). Since October 2023 he has also led Internal Medicine at Klinikum Bremen-Nord in a dual role, being personally on site on set days; as part of a reorganization planned for 2028 he is set to become the long-term chief physician at the Bremen-Nord site.

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Prof. Dr. med. Jonas Rosendahl

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Prof. Dr. Jonas Rosendahl is a W3 professor of internal medicine with a focus on gastroenterology and heads the University Clinic and Polyclinic for Internal Medicine I (Gastroenterology, Hepatology, Gastroenterological Oncology, Pneumology) at Halle University Hospital. His department is part of the "Liver Transplantation Central Germany" network together with the university hospitals of Magdeburg and Brandenburg and Klinikum Dessau. His research focuses on the early mechanisms underlying the development of gastrointestinal tumors.

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Prof. Dr. med. Andreas Stallmach

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Prof. Dr. Andreas Stallmach is clinic director of the Department of Internal Medicine IV (Gastroenterology, Hepatology, Infectious Diseases) and medical director at Jena University Hospital. His clinical and scientific focus is on chronic inflammatory bowel disease (Crohn's disease, ulcerative colitis), chronic liver disease, and the advancement of endoscopic diagnostic techniques for early detection of gastrointestinal disease. Under his leadership, the department runs an active liver transplantation program, including a focus on adult living-donor liver transplantation.

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Dr. med. Klaus Radecke

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Dr. med. Klaus Radecke has headed the Endoscopy Section in Medical Clinic I at Klinikum Saarbrücken since 2017; since 2023 he has also been building a hepatology department in Völklingen part-time. Career: Radecke studied medicine from 1990 to 1997 at Johannes Gutenberg University Mainz and completed his doctorate with distinction. After receiving his medical license in 1998, he completed a research stay at the Bernhard Nocht Institute for Tropical Medicine in Hamburg. From 2001 to 2006 he was a resident in gastroenterology and hepatology at University Hospital Essen, where he received board certification in internal medicine in 2005. From 2007 to 2017 he was senior physician in Medical Clinic I at Klinikum Saarbrücken. Clinical focus: His areas of practice include general internal medicine, gastroenterology, diagnostic and interventional endoscopy, and hepatology. In 2011 he obtained authorization for hepatology outpatient services, and in 2016 additionally for endosonography.

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Prof. Dr. med. Carl Christoph Schimanski

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Prof. Dr. med. Carl Christoph Schimanski has been Chief Physician of the Department of Internal Medicine (Hepatopancreatology/Gastroenterology) at Klinikum Darmstadt (Marienhospital site) since July 2012. Career: Born in Pforzheim in 1975, Schimanski completed his medical training at Johannes Gutenberg University Mainz, beginning his practical year in 2001. He received board certification in internal medicine in 2007 and became senior physician in 2008. That same year he completed his habilitation on innovative tumor cell detection methods. He has held an adjunct professorship at the University of Mainz since 2013. Research: Schimanski founded the Interdisciplinary Translational Oncology Laboratory in 2005 and has published more than 62 original papers. His research includes clinical trials on the treatment of colon cancer and liver metastases. His clinical focus also includes interventional endosonography, ERCP, and mini-laparoscopy, as well as gastrointestinal oncology.

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Prof. Dr. med. Kerstin Schütte

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Prof. Dr. med. Kerstin Schütte is Chief Physician of the Department of Internal Medicine, Gastroenterology, and Diabetology at Niels-Stensen-Kliniken, Marienhospital Osnabrück. Clinical focus: Her expertise lies in visceral oncology, with a focus on upper gastrointestinal tract diseases and hepatic tumors, particularly hepatocellular carcinoma (HCC). Beyond the available directory sources, no detailed public information on her career path or current research projects was found; her listing in the DKG Expert Finder and her ResearchGate profile indicate active scientific work in gastrointestinal oncology.

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Univ.-Prof. Dr. Dr. med. Jonel Trebicka

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Univ.-Prof. Dr. Dr. med. Jonel Trebicka has been Director of the Department of Internal Medicine B (Gastroenterology, Hepatology, Endocrinology, and Clinical Infectious Diseases) at University Hospital Münster (UKM) since May 2022. Career: Trebicka studied at the University of Bonn, where he also completed his specialty training in internal medicine, gastroenterology, and hepatology. He also conducted research in Barcelona and, before moving to Münster, headed the Section of Translational Hepatology at University Hospital Frankfurt. Research: His scientific focus is on liver disease, particularly cirrhosis and portal hypertension. He aims to establish a reference center for liver disease, hepatobiliary endoscopy, and oncology through innovative diagnostic and therapeutic approaches, placing strong emphasis on basic and translational research to give patients access to modern therapies.

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Prof. Dr. med. Dr. med. habil. Norbert Weigert

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Prof. Dr. med. Dr. med. habil. Norbert Weigert is Chief Physician of the 1st Department of Internal Medicine (Gastroenterology, Hematology, Oncology, Endocrinology, Rheumatology, Diabetology, Infectious Diseases) at Klinikum St. Elisabeth Straubing. Beyond the available sources, no detailed public information on his career path was found; his dual doctoral title (Dr. med. / Dr. med. habil.) indicates a completed doctorate and habilitation. His department clinically covers the full spectrum of internal medicine including gastroenterological and hepatological conditions.

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Prof. Dr. med. Dr. h. c. Stefan Schreiber

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Prof. Dr. med. Dr. h. c. Stefan Schreiber is Director of the Department of Internal Medicine I (Gastroenterology, Hepatology and more) at University Hospital Schleswig-Holstein (UKSH), Kiel Campus, and Director of the Institute of Clinical Molecular Biology. He is spokesperson for the DFG Cluster of Excellence "Precision Medicine in Chronic Inflammation." Career: Born in Berlin in 1962, Schreiber studied at the University of Hamburg, UC San Diego, and Harvard University. After specialty training in Hamburg (1987–1994) he moved to Charité Berlin, where in 1994 he founded a research group on the genetic etiology of inflammatory bowel disease as a senior physician. He completed his habilitation in 1996; since 1998 he has taught at Christian-Albrechts-University Kiel, additionally serving as Dean of the Medical Faculty from 2006 to 2013. Research: Schreiber's research areas include chronic inflammatory barrier diseases, gallstone disease, colorectal cancer, and longevity research. His group made significant discoveries, including disease-causing genes for Crohn's disease and the so-called "aging gene" FOXO3. The clinic he directs operates a certified liver center closely affiliated with liver transplant surgery.

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Prof. Dr. med. Tobias Heintges

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Prof. Dr. med. Tobias Heintges is Director of the Center for Gastroenterology, Oncology, Pulmonology, Infectious Diseases and General Internal Medicine at Rheinlandklinikum Lukaskrankenhaus Neuss. Since 2012 he has also been an extraordinary member of the Drug Commission of the German Medical Association. Career: Born in Duisburg in 1964, Heintges studied at Heinrich Heine University Düsseldorf from 1984 to 1991 and completed his doctorate on cholecystokinin in 1992. Following his specialty training in internal medicine and gastroenterology, a research fellowship took him to Harvard Medical School from 1996 to 1998. He completed his habilitation in 2001 and was appointed adjunct professor in 2008. Research: Heintges has authored more than 85 scientific publications and served as investigator in around 35 clinical trials on hepatitis, oncology, and infectious disease topics. His clinical focus spans the full range of modern diagnostic and interventional endoscopy as well as oncology of solid tumors.

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PD Dr. med. Stefan Heringlake

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PD Dr. med. Stefan Heringlake is Chief Physician of Medical Clinic II (Gastroenterology, Oncology, Infectious Diseases and Endoscopy) at Hochtaunus-Kliniken in Bad Homburg. The department covers a broad spectrum of liver diseases (viral hepatitis A–E, liver cirrhosis, liver cancer, autoimmune conditions) as well as gastroenterological oncology and infectious diseases relevant to hepatology. No publicly available information on his detailed career path or current research projects was found; his title of Privatdozent (PD) indicates a completed habilitation, though the topic could not be verified from public sources.

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Prof. Dr. med. Alexander Koch

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Prof. Dr. med. Alexander Koch, MHBA, is acting clinic director and head of the intensive care medicine section at the Department of Gastroenterology, Metabolic Diseases and Internal Intensive Care Medicine (Medical Clinic III) at Uniklinik RWTH Aachen. Career: Koch built his career within Medical Clinic III in Aachen, where his work spans internal intensive care medicine as well as gastroenterological and metabolic questions. Research: His research group (AG Koch) focuses on intensive-care topics: sepsis diagnostics through systematic collection of blood, stool, and urine samples for early detection, big-data analyses based on the Aachen Critical Care Trial (ACCT) database maintained for over 20 years with around 8,000 patients, digital medicine (automated nutrition monitoring, smartphone-based therapy individualization), and health-economic analyses of cost-effective treatment approaches in intensive care.

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Priv.-Doz. Dr. med. Markus Casper

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Head physician of the Department of Gastroenterology, Hepatology and Infectious Diseases at CaritasKlinikum Saarbrücken, St. Theresia site (since January 1, 2026), previously deputy head physician at the same hospital since 2022.

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Priv.-Doz. Dr. med. Markus Reiser

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Head physician of Medical Department II (Gastroenterology-Hepatology, Cardiology and Infectious Diseases) at Knappschaft Kliniken Vest, Paracelsus Clinic Marl site. Board-certified in internal medicine and gastroenterology.

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Prof. Dr. med. Christoph Eisenbach

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Prof. Dr. Christoph Eisenbach is chief physician of the Department of Gastroenterology and Diabetology at GRN-Klinik Weinheim, treating disorders of the digestive tract, liver and bile ducts, diabetes mellitus and metabolic conditions, as well as oncology patients, including through interdisciplinary tumor conferences with the National Center for Tumor Diseases (NCT) Heidelberg. He serves on the board of the LebensBlicke Foundation, which advocates for early detection of colorectal cancer.

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Prof. Dr. med. Christoph Sarrazin

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Chief physician of Medical Clinic II (Gastroenterology, Hepatology, Infectious Diseases, Diabetology and Nutritional Medicine), St. Josefs-Hospital Wiesbaden.

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Prof. Dr. med. Felix Gundling

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Chefarzt der Medizinischen Klinik II: Gastroenterologie, gastroenterologische Onkologie, Hepatologie, Diabetologie, Stoffwechsel, Infektiologie, Klinikum Bamberg, Sozialstiftung Bamberg.