Doctor of Medicine, University Düsseldorf, Germany, 1979. Doctor of Philosophy, University Düsseldorf, Germany, 1979.
Intern then resident, U. Düsseldorf, 1979-1983; junior faculty, U. Düsseldorf, 1986-1992; professor medicine, U. Düsseldorf, since 1992; fellow, University of California, San Francisco, 1983-1985.
Member Civil Defense, Wuppertal, 1973-1990. Member American Gastroenterological Association, American Pancreatic Association, Iron Overlaod Diseases Association (board directors Florida chapter since 1985), German Gastroenterological Association (Clinical Research award 1990), German Pancreatic Club (president 1991), Gastro-Surgical Club.
Married Vera Stöcker, August 22, 1991. Children: Carolin, Matthias.