Party affiliation: Green Party of Switzerland
President, Green Party of Canton of Thurgouie, 1983-1985. Cnclr. Cantonal, Thurgouie, 1984-1987. Member of Nationalrat, canton of Thurgouie, since 1987.
President, Green Party of Switzerland, since 1987. Teacher, primary school of Raperswilen, Thurgouie, 1961-1963. Educational psychologist, dept, of education of canton of Thurgouie, 1970-1973.
Lecturer. Institute of Curative Educational Practice, 1973.