Richard Ernest Tremblay (born November 23, 1944) is a Canadian child psychologist and Professor of Pediatrics, Psychiatry, and Psychology at the University of Montreal, where he holds the Canada Research Chair in child development.
He has also served as director of the Research Unit on Children's Psychosocial Maladjustment, a multidisciplinary research unit funded by the University of Montreal, Laval University, and McGill University, since it was founded in 1984.
His research has focused on the development of aggressive behavior in children and the potential for early intervention programs to reduce the chances of children turning to crime in adulthood.Tremblay received his B.A.
from the University of Ottawa, where he majored in physical education and played as a goal tender for the Ottawa Gee-Gees, the school's ice hockey team.
He subsequently received his master's degree from the University of Montreal and his Ph.D.
In 2017, he received the 2017 Stockholm Prize in Criminology for his work studying delinquency in children, making him the first Canadian to receive this prize.