Dr.Aramrattana is a retired Assistant Professor on Family Medicine at Chiang Mai University with a wide epidemiologic experience on substance use researches in Thailand especially among illicit substance problems and community-based drug treatment and care programs. He has been a Director of the Northern Substance Abuse Center at Chiang Mai University, working closely with the Office of Narcotic Control Board (ONCB) since 2002. During 2016-2020, he also works as a director of the Southeast Asia HIV Addiction Technology Transfer Center at the Faculty of Medicine, Chiang Mai University, under PEPFAR-SAMHSA fundings. He was elected as a president of the Royal College of Family Physicians of Thailand during 2018 – 2021. He is now conducting a demonstration project on buprenorphine treatment for opioid use disorder in Thailand under the Global Fund supports through the Department of Disease Control, MOPH. Currently he has also been the Director of Thailand International Technology Transfer Center (T-ITTC) at Chiang Mai University.