Studies of biology at the University of Munich and at Reed College, Portland/Oregon (USA), PhD at the University of Munich. Subjects: developmental biology, cytology and genetics of Drosophila. After taking care of the family for some time (3 children) additional degree of environmental protection techniques at the Technical University of Munich. Professional work in environmental education and with non-governmental organisations. Freelance expert on genetic engineering, in particular on use of genetically modified organisms in agriculture and food production. In the nineties member of the German central commission for biosafety (Zentrale Kommission für die Biologische Sicherheit ZKBS) as representative of environmental organisations. Member of the Institute for Biodiversity since the beginnings of the nineties.