Gaël is an intellectual nomad, navigating between natural sciences, social sciences and health sciences. He is interested in the concept of living well in a broad sense, at the edge of physical and mental well-being, social and institutional conditions and ecosystems.
He is a professor of environmental health at the University of Geneva and a visiting professor at the universities of Neuchâtel and Strasbourg.
His research interests are numerous: sustainability, life cycle analysis, well-being, quality of interior spaces, health assessment scales, quality of life scales, well-being indicators, social indicators, future of work, epistemological dialogues, dissemination to wider audiences.
He gives a dozen long-form conferences per year to research laboratories, public decision-makers, professional associations, companies and the general public.
His research and teaching activities have also made him Vice President of Professional Affairs of the International Society of Quality Of Life Studies, Referent of the Global Wellbeing Initiative on the theme of the well-being of the elderly, Referent Researcher on "Sustainability and Wellbeing" at the World Database of Happiness, Erasmus University Rotterdam, Member of the Editorial Board of the Social Indicators Research journal, and Co-founder and Editor-in-Chief of Sciences & Bonheur.