David B. Cooper has specialized in mental health and substance use for over 40 years. He is currently an Honorary Research Associate: Drug and Alcohol Research Centre – Middlesex University and Associate Editor for the Journal of Substance Use. He is former Editor-in-Chief of this journal. He also served as an editor-in-chief of Mental Health and Substance Use. Seminal work includes Alcohol Home Detoxification and Assessment, and Alcohol Use (both published by Radcliffe Publishing, Oxford). David Cooper edited a series of seven textbooks with the series title of Mental Health-Substance Use (CRC Press / Routledge) and co-edited a series of three book with the series title of Palliative Care within Mental Health (CRC Press). He has edited and or written 12 books. He has published over 60 journal articles, and 25 book chapters that cover, transcultural concerns, communication, service management, hope and coping, assessment, and therapeutic relationships, including work published by WHO.