John is the Managing Partner of the M. Jackson Group, and has been a Registered Psychologist since 1987 and Director of the M. Jackson Group since 1993.

His interests include chronic pain, personality disorder, ADHD, and residual employability estimate.  He conducts psychological assessments of persons with emotional, cognitive, and/or physical disabilities in order to arrive at rehabilitation goals and employability.

He is also qualified as an Expert Witness in the Supreme Court of British Columbia (Rehabilitation Psychology, Psychology, Vocational Rehabilitation, and Residual Employability).

John also provides talks on assessment issues to interested groups.