Les Roos is a Distinguished Professor in the Faculty of Medicine at the University of Manitoba.

A founding director of the Manitoba Centre for Health Policy, he is among the most highly cited Canadian scientists.

Les is particularly interested in the diverse uses of information-rich research environments.

He is a fellow of the Canadian Academy of Health Sciences and a member of the Academy of Sciences of the Royal Society of Canada.

Les has been an associate of the Canadian Institute for Advanced Research and a fellow of the Academy for Health Services Research and Health Policy.