Russell Schachar is a practicing child and adolescent psychiatrist, Professor in the Department of Psychiatry at the University of Toronto, and Senior Scientist in the Research Institute at the Hospital for Sick Children in Toronto, Canada where he heads a cognitive neurosciences laboratory which focuses on psychiatric disorders of childhood and adolescence. The lab consists of graduate students, technicians, and associate scientists with diverse expertise. Current projects are aimed at elucidating the genetic architecture of cognition and impulsivity in the general population, the genetics of ADHD and obsessive compulsive disorder, the neural basis of executive control and psychopathology through functional neuroimaging studies, and investigations of the cognitive and behavioral consequences of traumatic brain injury. He currently holds 2.5 million dollars of external grant funds and has published 42 journal articles in the last 5 years.