Dr. Goldfield is a Senior Scientist at the CHEO Research Institute with the Healthy Active Living & Obesity (HALO) Research Group. Dr. Goldfield is also a registered clinical psychologist who provides psychological services to children, adolescents and adults in the community. He began the childhood obesity research program at the CHEO Research Institute in 2003 and is a founding member of HALO. He serves on the editorial board of several peer-reviewed journals in his field. Dr. Goldfield’s main research areas focus on the role that physical activity, screen time, biological and psychosocial factors play in the regulation of eating behaviour, body weight, and mental health among children and youth. Much of his research involves examining the effects of novel behavioural interventions in the treatment and prevention of pediatric obesity and mental illness, with more recent studies examining the effects of pharmacological approaches to managing these conditions.