77 invited lectures, 30 invited papers at conferences
105 contributed papers at national and international meetings
Two-time recipient of Convention Intercantonale Romande Pour L'Enseignment du 3è Cycle en Chime, Switzerland
Visiting Professor, Hokkaido Univ., Sapporo, Japan, April 2000
Professeur associé, Faculté de Pharmacie de Châtenay-Malabry Université de Paris, France, June 1992
Universität Gastprofessor, Organisch-Chemisches Institut, Universität Zürich, Switzerland, 1 Feb-31 July 1990
and Gastdozent, Laboratorium für Organische Chemie, Eidgenössiche Technische Hochschule, Zürich, Switzerland. 1 Aug 1989 -31 Jan 1990