Rate My Professor Jillian Halladay

Dr. Jillian Halladay is an Assistant Professor in the School of Nursing at McMaster University. She is a Registered Nurse and Clinical Epidemiologist who holds a BScN, MSc, and PhD from McMaster University. Dr. Halladay’s research focuses on deepening understanding of the biological, psychological, and socio-contextual factors contributing to co-occurring substance use and mental health concerns among youth aged 10–25 years, as well as prevention and treatment approaches. Her Health System Impact work centers on young adults entering the adult hospital system with substance use concerns. She has clinical experience in inpatient, emergency, and outpatient youth mental health and substance use settings and has contributed to the development and evaluation of interventions, including an outpatient young adult substance use program in Hamilton.

Dr. Halladay holds a CIHR Health System Impact Embedded Early Career Researcher Award co-funded by the Canadian Institutes of Health Research, McMaster University, and St. Joseph’s Healthcare Hamilton. She is a Faculty Member and Youth Substance Use Lead at the Peter Boris Centre for Addictions Research at McMaster University, an Associate with the Mental Health and Addictions Program at the Research Institute of St. Joe’s Hamilton, an Affiliate of the Matilda Centre for Research in Mental Health and Substance Use at the University of Sydney, a Core Member of the Offord Centre for Child Studies, and a Collaborating Scientist with the Homewood Research Institute. She previously held a CIHR Banting Postdoctoral Fellowship at the Matilda Centre.