Waleed Alhazzani MBBS, MSc, FRCPC

Dr. Waleed Alhazzani is an Associate Professor of Medicine and Health Research Methodology, Evidence, and Impact at McMaster University. He is a consultant intensivist and gastroenterologist at St. Joseph’s Healthcare Hospital in Hamilton. Dr. Alhazzani has led several international clinical practice guidelines, including the Surviving Sepsis Campaign guidelines, for which he was the Methodological Chair. As Chair of the GUIDE group, he provides methodological support in guideline development for several international societies, including SCCM, ATS, and ESICM.

Alhazzani's research interests focus on the methodology of systematic reviews, meta-analyses, and clinical practice guideline development. Dr. Alhazzani is the lead methodologist on multiple international practice guidelines for professional critical care societies. He is also interested in conducting large, simple (pragmatic) clinical trials on gastrointestinal disorders in critically ill patients.