Dr. Theo De Gagne is currently in private practice in the province of B.C. and was the former Head of Psychology and Director of Clinical Training for the CPA Accredited Pre-Doctoral Clinical Psychology Residency program at Vancouver Coastal Health Authority. He received his Ph.D. in clinical psychology from the University of Ottawa.  Dr. De Gagne has provided psychological services to multidisciplinary pain clinics, teaching hospitals in Calgary, Vancouver and private practice over the past 29 years, as well as, providing training in CBT to psychology practicum students, interns, residents and psychiatry residents.

Dr. De Gagne has worked collaboratively with multiple disciplines and stakeholders to develop innovative technologies for the delivery of CBT psychological services that include the creation and implementation of KetlysKey.com at Vancouver Coastal Health Authority, which is an innovative online self-help platform for the delivery of CBT for depression, anxiety and insomnia.  He has published in the areas of chronic pain, depression, and cognitive behavioral therapy models of group psychotherapy.