Tyler Williamson is the Senior Epidemiologist with Canadian Primary Care Sentinel Surveillance Network (CPCSSN). CPCSSN is Canada's first multi-disease electronic record surveillance system. Tyler co-chairs the CPCSSN research committee with Dr. Walter Rosser. Tyler received his graduate training in the Department of Community Health Sciences at the University of Calgary with a specialization in Biostatistics. His PhD dissertation examined methods for analyzing health research data using log-binomial models. He has been actively involved in health research for 10 years in various capacities and fields. He has published work in obstetrics and gynecology, hematology, emergency medicine, medical statistics, aboriginal health, immunization, and primary care. Currently his statistical research interests include the analysis of correlated and uncorrelated binary data, interim analyses in clinical trials and numerical optimization methods. His clinical research focuses on chronic disease burden in Canada, from a primary care perspective, particularly as it pertains to the CPCSSN project.