Dr. Kerris del Rosario

Specialization: Psychologist
Phone: +1-519-498-9962


Dr. Kerris del Rosario is the founder and director of the del Rosario Group; she provides psychological services herself and also supervises the provision of these services at both clinic locations.

Dr. Kerris is a clinical psychologist certified with the College of Psychologists of Ontario (CPO) in the areas of Clinical and Counselling Psychology (both assessment and treatment) for Adults, Couples, Adolescents and Children. She tailors assessments and therapeutic interventions to each client with compassion and expertise (based on the presenting problems and mutually-derived goals) and provides both long- and short-term therapy from a variety of modalities (such as cognitive-behavioural therapy or CBT, psycho-dynamic psychotherapy, and emotionally focused therapy or EFT, including EFT specifically for couples). For clients who so desire, Dr. Kerris has graduate-level training and extensive clinical experience on helping clients integrate their faith into their psychological healing and growth.

Dr. Kerris earned her Ph.D. in clinical psychology from Rosemead School of Psychology at Biola University in La Mirada, California. She is a native of Southwestern Ontario and completed her Honours Bachelor of Science in Psychology at McMaster University in Hamilton.

Dr. Kerris has been providing psychological services for over eight years, and she has extensive clinical training in a broad range of psychological issues and treatment modalities. Although now in private practice, her experience includes a year of post-doctoral Supervised Practice at Lighthouse Psychological and Counselling Services in Kitchener, Ontario, as well as a pre-doctoral internship at Switzer Learning Centre in Torrance, California where she provided therapy, consultation, and a variety of assessment services (educational, psychological, and sociobehavioural) to children/adolescents and their families within the framework of a non-public special education school.  Dr. Kerris also completed a Supervised Clinical Practicum at Harbor UCLA Medical Centre in Torrance, California, serving adults from diverse ethnic and socioeconomic backgrounds presenting with a range of mental health struggles. In addition, while working as a Staff Therapist at the Biola Counseling Center in La Mirada, California, Dr. Kerris received intensive instruction and clinical supervision in Couples’ Therapy.

As a clinician and a researcher, Dr. Kerris’ work has been published in major scientific journals and she has presented at several international conventions and conferences. Her research interests include cross-cultural psychology and gender role issues, especially in relation to spiritual integration.

Dr. Kerris currently serves as an Adjunct Faculty member at the University of Waterloo, Department of Psychology, supervising doctoral students in their provision of psychological services (mentoring students and new professionals is one of her passions). She has also held appointments as Adjunct Professor of Sociology at Biola University in La Mirada, California, Adjunct Professor of Psychology at Heritage College and Seminar in Cambridge, Ontario, and guest lecturer in Psychology at Wilfred Laurier University in Waterloo, Ontario.