Christelle Rosar works for the Advocacy association. She takes part in think tanks and conferences on disability, mental health and the rights of the people concerned. Martine Dutoit holds a doctorate in education and was a social worker at Sainte Anne hospital. A lecturer and founder of Advocacy, she is the author of books and numerous articles on mental health and stigmatization. Marie-Claude Saint-Pé holds a doctorate in sociology, specializing in social policies on disability, and is a trainer and evaluator for social and medico-social establishments. She runs the Urbanités association.