Leslie L. Roos is a Distinguished Professor in the Faculty ofMedicine at the University of Manitoba. A founding director of the Manitoba Centre for Health Policy, he is among the most highly cited Canadian scientists. Roos 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. He has been an associate of the Canadian Institute for Advanced Research and a fellow of the Academy for Health Services Research and Health Policy.