Cecilia A. Essau is Professor of Developmental Psychopathology at the University of Roehampton, UK. She is also Visiting Professor at the University of Adelaide, Australia, and a Scientific Advisor for the United Nations Office on Drugs and Crime (UNODC) concerning the development and dissemination of a “Treatment Family Intervention”, an evidence-based training package for adolescents with drug use disorders. Professor Essau is a recipient of the Norman Munn Distinguished Visiting Scholar from Flinders University (Australia), Distinguished Visiting Professorship from De La Salle University (Philippines), and the Florey Medical Research Foundation Mental Health Visiting Professorship from the University of Adelaide (Australia). She has had visiting professorial appointments at Karl-Franzens-Universität Graz (Austria), Universiti Malaysia Sabah (Malaysia), and Uniwersytet Opolski (Poland). In August 2019, she was Singapore’s Ministry of Health HMDP (Health Manpower Development Plan) Visiting Expert for young children with emotional and/or behavioural problems. In 2011, she was made Fellow of the British Psychological Society in recognition of her contribution to the field of psychology. Professor Essau is the author of 280 scientific articles and is the author/editor of 22 books on youth mental health.