Prof. Dr. Clemens Hosman (psychologist) is emeritus professor of mental health promotion and prevention of mental disorders at the Radboud University Nijmegen and Maastricht University. He also works as independent advisor from Hosman Prevention Consultancy & Innovation. He has over 40 years of experience in research, training and consultancy, targeted at development of prevention and programs and policies, integral prevention and promotion strategies, program effectiveness and effect management, depression prevention, preventing the high risk in children of mentally ill parents. He has worked with many local and national health agencies in the Netherlands and other countries. He was prevention advisor of the World Health Organization.