Dr Kouimtsidis, MBBS, MSc, FRCPsych, PhD has been a Consultant in Addiction Psychiatry since 2002 in the National Health Service of the United Kingdom. He is currently Honorary Clinical Senior Lecturer with Imperial College London and St Andrew’s University, Scotland. Prior to this, he was a lecturer and later Senior Lecturer with St George’s University Medical School. He has received the Gold CARE Leader Award (2016) and the UK 2015 HSJ Award for Clinical Research Impact. Since February 2019, he has been the National Coordinator for Addressing Drugs in Greece. During the past 20 years, he has been involved with several epidemiological, qualitative, and clinical randomized controlled trials. During the past 10 years, in collaboration with several UK Universities, he has been the Chief Investigator or Principal Investigator for three National Institute of Health Research (NIHR) trials. He has published three books and chapters in several other books. He has published more than 80 peer-reviewed papers, and participated as a keynote speaker or symposium organiser in several UK and international conferences.