Meet our team

at the University of Calgary Psychology Clinic


Brae Anne McArthur

Brae Anne McArthur, Ph.D., R.Psych

Clinic Director

Dr. Brae Anne McArthur is a Registered Psychologist and the Director of the University of Calgary Psychology Clinic. She received her Ph.D. in Clinical Psychology: Applied Developmental Emphasis from the University of Guelph and completed her internship in Clinical Child and Pediatric Psychology at Alberta Children’s Hospital. Dr. McArthur has experience working with children, adolescents, young adults, and their families. She has held clinical roles working in inpatient clinics, outpatient clinics, schools, and paediatric health settings. She is an active clinical supervisor and has a passion for supervising and teaching the next generation of psychologists.

Dr. McArthur’s program of research focuses on understanding individual and family level risk and resiliency factors that influence child development and mental health. As an expert on child development and mental health, she has published over 40 peer-reviewed publications. Dr. McArthur’s work has been widely covered in the media, including CNNCBCGlobal News, and Reuters, and she engages in knowledge translation to the public through community presentations, policy reports, and op-eds published in the Conversation Canada.

Bree Schleppe

Bree Schleppe

Clinic Coordinator

Bree is an administrative professional with experience in healthcare and academic research. She received her BA in Linguistics from the University of Calgary. Bree is responsible for performing an array of administrative duties and serves as the central point of contact for the University of Calgary Psychology Clinic.

Clinic Supervisors

David Williamson

David Williamson, Ph.D., R.Psych

David is a registered psychologist specializing in the assessment and treatment of children, adolescents, and families. He received his MA and PhD in clinical psychology from the University of British Columbia. David has trained and worked in a variety of settings supporting children and their families including BC Children’s Hospital, Alberta Children’s Hospital, and a variety of out-of-home live-in treatment settings in Canada and the United States. He is currently the clinical coordinator of an out-of-home live-in treatment program in Calgary. David supervises students in the evidence-based assessment and treatment of children and families struggling with trauma, attachment and relational problems, mood and anxiety, and problematic behaviours (e.g., externalizing behaviour, defiance, obsessive-compulsive behaviours).