Studied human medicine, followed by 10 years of clinical work, specialising in general medicine. From 1982 training in acupuncture and Qigong with: Rhada Thambirajah, DÄGfA (Diploma A and B), AGTCM and others, internship at Xiyuan Hospital, Beijing. From 1999 training in Chin. Chinese medicine therapy with Barbara Kirschbaum, diploma. Since 1994 general practitioner in Berlin specialising in Chinese medicine, manual therapy and western naturopathy. 2004 to 2020 first chairman of the Centre for Therapeutic Safety in Chinese Medicine. Drug Therapy (CTCA). Several trips to China and Taiwan to study the botany and pharmacognosy of Chinese medicinal herbs. Scientific evaluations, regular publications and lectures on safety issues in Chinese medicinal therapy. Member of the Working Group on the Safety of Chinese Medicinal Therapy in Pregnancy (ASCAS).