Sergio is a psychologist with a master's degree in social and community psychology. He has 27 years of experience in designing and implementing programs for people in situations of social exclusion through my work in NGOs. He has worked in the public sector and in parallel Sergio has worked as an academic in several universities. In addition, he is an international trainer for the Drug Advisory Programme of The Colombo Plan and he has been a consultant for CICAD OAS, Chile's National Alcohol and Drug Prevention and Rehabilitation Service. Sergio is currently the Director of the Latin American GIS Hub.