Matthew P. Muller completed his medical degree, residency in internal medicine and specialization in infectious diseases at the University of Toronto.  He then completed a PhD in clinical epidemiology.  Currently, he is the Medical Director of Infection Prevention and Control and an Infectious Diseases physician at St. Michael’s Hospital.  His research interests focus on the epidemiology and prevention of hospital-acquired infections with a focus on hand hygiene measurement and improvement.  Dr. Muller is involved in infection control guideline and policy development at the provincial and national levels as a member of the Public Health Agency of Canada’s National Advisory Committee on Infection Prevention and Control and as the chair of the Ontario Provincial Infectious Diseases Advisory Committee on Infection Prevention and Control (PIDAC-IPC).