has been director of the Institute for General Medicine at the Goethe University Frankfurt am Main since 2004. Previously, he was director of the Institute for General Medicine at the Schleswig-Holstein University Hospital, Kiel Campus (2001-2004), head of the quality promotion department in the general medicine department at the Hanover Medical School (1991-2000) and scientific director of the North German Public Health Research Association (1992 to 1993 ). He has also been chairman of the Advisory Council for the Assessment of Developments in the Health Care System since 2012 (member since 2007, deputy chairman from 2011 to 2012).