Specialist in internal medicine, additional name naturopathy and acupuncture. University Professor of Natural Medicine at the Charité - Universitätsmedizin Berlin. Deputy Director of the Institute for Social Medicine, Epidemiology and Health Economics, Head of Project Area Complementary and Integrative Medicine and the Outpatient Clinic for Naturopathy at the Center. Teaching coordinator of the institute from 2006-2013. Study of human medicine in Vienna and Dusseldorf 1986-1993. Doctorate 1997. Habilitation 2007. From 1994 to 2001 research assistant in the Medical Clinic I with Polyclinic of the Friedrich-Alexander-University Erlangen-Nürnberg, from 1995-2001 also Head of the Department of Naturopathy and Complementary Medicine. Initiation of clinical and epidemiological studies in the field of complementary medicine, especially in the field of natural medicine and Chinese medicine (focus on acupuncture), promoted i.a. by the DFG, BMBF, health insurances, federal ministries and the EU.Germany