David Williamson (B.Pharm, M.Sc., Ph.D) is a pharmacist at Sacre-Coeur Hospital (HSCM), a Full Clinical Professor at the Faculty of Pharmacy of the University of Montreal (UdeM), an associate Professor at the Faculty of Medicine and Health Sciences at the Université de Sherbrooke, and a Researcher at the HSCM Research Center in Montreal. As a clinician Dr. Williamson works as a pharmacist in the Medical, Surgical and Trauma Intensive Care Units of the HSCM. From a research perspective, Dr. Williamson completed his Ph.D. in Clinical Sciences at the University of Sherbrooke. He has training in clinical epidemiology and has published more than 120 manuscripts. He currently supervises 2 Ph.D. students, and cosupervises 2 other PhD students. Dr. Williamson is a member of the Canadian Critical Care Trials Group and is a part of the Critical Care Research Group at Sacre-Coeur Hospital (ERESI). His MAD-TBI research program focuses on the the management of agitated behaviors in traumatic brain injured patients admitted to the intensive care unit. The MAD-TBI program has contributed important knowledge regarding agitation in the ICU with a number of systematic reviews, surveys, qualitative and observational studies. He is currently leading the DEX-TBI study, a CIHR funded study of dexmedetomidine for the managemnt of post-TBI agitation in the intensive care.