The company PsychoStratégie SA offers coaching and consulting services in the areas of personal development, communication and strategy. The core activity includes conducting individual and group consultations, workshops and seminars for children, adolescents, adults, athletes, artists and companies. The methods are based on a systemic approach that takes into account the biological, psychological, social and economic resources of individuals and organizations. The founder Marc Bersier also uses special methods such as the "BPSE" model and the use of games and role-playing to promote communication, strategy and personal development.