Professor Gossell-Williams is a professor of Pharmacology and Pharmacovigilance in the Faculty of Medical Sciences at The University of the West Indies in Jamaica. Her main area of research relates to evaluation of drug efficacy and safety. Some of her project areas include adverse drug events patterns in specific patient groups, the impact of marijuana on drug therapy, drug induced metabolic syndrome, efficacy of androgen depravation therapy in patients with castrate resistance prostate cancer, impact of prenatal lithium exposure on memory consolidation, adverse drug effects in patients on antihypertensive therapy and evaluation of warfarin therapy. Her professional expertise extends nationally, regionally and globally, including previously serving on Ministry of Health Central Drug and Therapeutic Committee, the Pharmacy Advisory Committee of the University of Technology and the CARICOM Marijuana Commission. Currently she is an Honorary Member of the Pharmaceutical Society of Jamaica, a member of the Executive Committee of the North America Chapter of the International Society of Pharmacovigilance and a member of American Society of Pharmacology and Experimental Therapeutics. Professor Gossell-Williams is also an editorial board member of Frontiers in Pharmacology and the International Journal of Risk and Safety in Medicine.