Brian Collinson, 2238 Constance Drive, Oakville, ON L6J 5L7, Canada. Tel: (905) 337-3946. Brian Collinson, Psychotherapist is a Psychotherapist in Oakville, ON offering Psychotherapy Counselling to the Greater Toronto Area. Brian Collinson’s orientation in psychotherapy is Jungian, emphasizing contact with the unconscious (dreams, journaling and artwork). Clients see Brian Collinson because they have some kind of hardship, pain, misery or serious stress, anxiety or depression in their lives.