He holds a Bachelor's degree in Biochemistry from Queen's University (BA 1986) and graduated in Medicine from the University of the West Indies (MBBS 1992), obtaining a Master's degree in Epidemiology from the London School of Hygiene and Tropical Medicine (MSc 1999). Director of Clinical Research of the Alan Edwards Pain Management Unit at the McGill University Health Centre, he serves as the co-Director of the Québec Pain Research Network, and since 2007, has been the Executive Director of the Canadian Consortium for the Investigation of Cannabinoids (CCIC). In 2016, he served as the vice-chair of the Federal Task Force on the legalization and regulation of cannabis in Canada.