Dr. McMahon provides clinical and forensic services to children, adults, and families. He has worked in both outpatient and inpatient capacities and has experience treating a variety of needs including depression, anxiety, marital/family discord, parenting concerns, complex trauma, and personality disorders. He completed his doctoral internship at Hawthorn Center, the only state-run child psychiatric hospital in Michigan, where he worked closely with children and families struggling with severe mental illness.

Dr. McMahon has received training in Psychodynamic Therapy, Cognitive Behavioral Therapy, and Dialectical Behavior Therapy. He is a fervent advocate of destigmatizing mental illness and promotes the use of science-based interventions in psychology and the treatment of mental health. To this end, Dr. McMahon also adopts a systems and solution-focused approach to help patients identify which areas of their lives are not working, collaborating with them to develop mastery of skills so that they might increase their sense of self-worth and independence.

Dr. McMahon completed his undergraduate education in Psychology and Religion at Heidelberg University and obtained his Ph.D. in Clinical Psychology at the University of Detroit Mercy. His doctoral dissertation examined the intersection of personality, emotion, and moral judgment.