He obtained his doctorate in psychology from the University of Missouri in 1986, and he obtained his license as a psychologist in 1987. He has years of experience in the evaluation of children and adults. He has experiences in all facets of psychological evaluation including evaluations of personality, attention deficit disorder, autism, learning disorders, and other neurocognitive deficits. He has served as a consultant to the Missouri Department of Vocational Rehabilitation, Missouri Department of Youth Services, as well as numerous school districts. He has also published a number of professional articles in the area of psychological assessment.