Dr. Theodore Fenske is an associate clinical professor in the division of cardiology at the University of Alberta Medical School and a cardiologist on the frontlines of medicine in a busy downtown Edmonton tertiary care health centre. He lives in Edmonton.

Dr. William Dafoe is regional director of Capital Health Cardiac Rehabilitation, the founding president of the Canadian Association of Cardiac Rehabilitation, and secretary of the Cardiovascular Rehabilitation and Secondary Prevention Council of the World Health Federation.