Very warm welcome to the 23th World Congress of Social Psychiatry. We are facing a significant change with the new approaches of education, prevention and care in the field of social psychiatry. We have invited experts from around the world to confront and exchange their practices. The impact of social determinants, cultural determinants, economic determinants in terms of public health are the main burden for patients and carers. The congress will have a key focus on describing and increasing our knowledge of the major social impact of globalization their influences on mental health. Welcome to France, to Paris and to our WASP Congress from 20th November to the 22th November 2019.