Gastroenterologist in Private Practice in Hamburg since 2010. Previous appointments at the Departments of Gastroenterology, Universities of Dresden, and Magdeburg. Member and current Vice-President of the European Microscopic Colitis Group (EMCG) since 2010, Member of the German Guideline „Gastroesophageal Reflux Disease“ 2014. Member of the German Guidelines „Helicobacter pylori and Ulcer Disease“ 2009 and 2016, Member of the German Guideline „Esophageal Cancer“ 2015. Member and current treasurer of EUREOS since 2013. Coauthor of the EUREOS Guideline 2017. Special clinical research interest in eosinophilic esophagitis, chronic inflammatory bowel diseases, and Helicobacter pylori.