Horst Neuhaus graduated from the University of Bonn, Germany, in 1979. In the same year he obtained his Doctor of Medicine. He then did residencies at the Department of Surgery in Hurth and the Departments of Internal Medicine in Neuss and Ingolstadt. After his training in gastroenterology, he became faculty member of the Medical Department II, Right of the Isar Hospital of the Technical University Munich under the leadership of Professor Meinhard Classen. In 1987, he became head of the endoscopy unit.
Horst Neuhaus is currently serving as member of the Scientific Committee of the United European Gastroenterology (UEG), councillor of the German Society of Gastroenterology (DGVS) and the German Society of Endoscopy and Imaging Procedures (DGE-BV). He was previously President of the European Society of Gastrointestinal Endoscopy (ESGE). He is on the editorial board of the several peer-reviewed journals. He has been director of the annual Dusseldorf International Endoscopy Symposium which was established by his group in 1999.