Offices in Professional Organizations
- Schweiz. Kommission für Molekularbiologie (SKMB): Member 73–76; President 77–82.
- International Union of Pure and Applied Biophysics (IUPAB): Council Member 75–78 and 87–90; Secretary General 78–84; Vice-President 84–87.
- International Council of Scientific Unions (ICSU): Member General Committee 80–86; Member Standing Committee on the Free Circulation of Scientists 82–90.
- Kommission für die Wolfgang Pauli-Vorlesungen, ETH Zürich: Member 84–92; President 93–01.
- Zürcher Chemische Gesellschaft: President 90–91.
- Schweiz. Gesellschaft für Biochemie: Member Executive Committee 86–92; President Biophysics Section 85–88.
- International Union of Pure and Applied Chemistry (IUPAC), Commission on Biophysical Chemistry: Member 96–99; Chairman 00–01.
- Prix Marcel Benoist, Conseil de Fondation, Bern: Member 01–15.