Winfried Siffert, born in 1957, studied human medicine and was a University Professor since 1993. From 2005 he became Director at the Institute of Pharmacogenetics, University Clinic Essen. He
was active for many years as a university lecturer and researcher, for which he received world-wide acclaim. Apart from that, he is a much sought-after speaker at national and international
congresses and an author of numerous publications in prestigious, professional journals.