Emeritus Professor of Linguistics at the University of Zurich
Former archivist of the Basel Mission and lecturer in African History at the University of Basel
Former Deputy Director of the Central Library Zurich, editor of the Schweizerische Afrika-Bibliographie
Emeritus Professor of Social Anthropology and African languages at the University of Bern
Former ambassador of Switzerland in Cameroon (Equatorial Guinea, Tchad, Gabon)
Social Anthropologist and researcher in Sciences of Religion, former co-president of the SSAS
Executive Secretary of the Carl Schlettwein Foundation
Professor emeritus of Ethnology at the University of Basel
Independent consultant, researcher and writer, longtime co-president of the SSAS
Professor emeritus of Social Anthropology at the University of Fribourg
Long time honorary consul of the Republic of Mali
Former expert of the UNESCO and delegate of the ICRC in various African states and in particular Equatorial Guinea. Founding member of the SSAS
Founder of the Basler Afrika Bibliographien and the Carl Schlettwein Foundation
