Oscar Brenifier, holds a Bachelor of biology degree (University of Ottawa) and a PhD in Philosophy (Paris IV – Sorbonne). For many years, in France as well as in the rest of the world, he has been working on the concept of ‘philosophical practice’, both from a theoretical and practical viewpoint. He is one of the main promoters of the project of philosophy in the city, organizing philosophy workshops for children and adults and philosophy cafés, working as a philosophy consultant, etc. He has published about thirty books in this domain, including the ‘Philozenfants’ series (Editions Nathan), which has been translated into over twenty-five languages. He founded the Institut de Pratiques Philosophiques (Institute of philosophical practice), to train practical philosophers and organize philosophy workshops in various places: schools, media centres, old people’s homes, prisons, social centres, firms, etc.