He obtained a doctorate in Economics and Social Sciences in the university of Geneva, where he started teaching. He also taught in the universities of Fribourg and Grenoble and was visiting professor in the Ecole des Hautes Etudes en Sciences Sociales in Paris. He published numerous articles on the economic and social history of the Alps and was coordinator of research projects for the Swiss National Science Foundation. He is presently a titular professor in the Accademia di architettura where he is coordinator of the Laboratorio di Storia delle Alpi.
1. History of the family; 2. Historical demography; 3. History of migrations; 4. Economic and social history of the Alps; 5. Territory and territorial managements; 6. History of property