Executive Director / Chief Research Scientist
Dr. Ridal's educational background is in chemistry (BSc, Trent University, MSc, University of Ottawa) and oceanography (PhD, Dalhousie University). Post-doctoral positions at Canada’s National Water Research Institute and the University of Montreal brought him into the freshwater field. He joined the River Institute in 1995 as its first Research Scientist and became its Executive Director in 2004. He holds adjunct professorships with Queen’s University and the University of Ottawa. In 2008, he was named Canadian co-Chair of the Science Priority Committee for the International Joint Commission (IJC) of the United States and Canada. He have also served on the Commission’s Science Advisory Board since 2008. His research predominantly involves water and sediment quality issues, including recreational water quality, fate and transport of contaminants, and food web bioaccumulation.