- 1967-1973 Medical education in Frankfurt and Hannover Resident at MHH 1974-1982
- 1976 -2012 Director of Ultrasound Lab.
- 1982 Consultant (Internal Medicine and Gastroenterology), (MHH)
- 1985 Habilitation (MHH)
- 1986-1995 Director of Endoscopy
- 1990 associate Professor of Internal Medicine (MHH)
- 2000-2006 Board of directors of the German Ultrasound Society (DEGUM)
- 2002-2004 President of the German Ultrasound Society (DEGUM)
- 2004 Präsident of the Annual Joint Congress of the German, Austrian and Swiss Society of Ultrasound in Medicine in Hannover (DEGUM, ÖGUM, SGUM)
- since 2005 Delegate of DEGUM at the AWMF (Association of the Scientific Medical Societies in Germany)
- 2013 - 2019 member of the commission “Good Scientific Practice” (GWP) at MHH
- Since 2019 Deputy Ombudsperson of MHH
Societies:
- Member of the German Ultrasound Society (DEGUM), The Institute of Electric and Electronics Engineers (IEEE), Deutsche Gesellschaft f. Verdauungskrankheiten (DGVS), American Gastroenterological Association. (AGA).
- Honorary Member of the Polish Society of Ultrasound in Medicine., (PTU)
Honorary Member of the German Ultrasound Society (DEGUM) - Honorary Professor of Abu Ali Ibn Sina (Avicenna) University Buchara (2018) Usbekistan
Publications:
- Author/Coauthor >140 scientific publications listed in PubMed
- Author/Coauthor >130 Book Chapters and Reviews, Editor/Co-Editor of 13 Books