Rolf Teschke M.D., Professor of Medicine. Teschke was offered a chief position in 1987 and was appointed Director of the Medical Department II, City Hospital Hanau, Teaching Hospital of the Johann Wolfgang Goethe University Frankfurt/Main, Germany. He has become increasingly interested in herbal hepatotoxicity. He is the author or co-author of more than 250 publications in English, including book chapters and books, and he is a member of the editorial board of many journals.