1982 – 1985 Post-doctoral Research Fellow, University of Southampton.
1985 – 1992 Lecturer in Physical Chemistry, University of Edinburgh.
1992 – 2022 Professor of Physical Chemistry, Ecole Polytechnique Fédérale de Lausanne.
2008 – 2022 Adjunct Professor, Engineering Research Center of Innovative Scientific Instruments, Ministry of Education of China, Fudan University, Shanghai.
2011 – 2014 Dean of the Bachelor & Master School, EPFL
2015 – 2020 Director of Electromobilis, Martigny, Valais.
2022- Director of H2Valais, Suisse. Visiting Professor UM6P, Morocco
Plenary: “Blue hydrogen: So usefull to start the market?”