Juan Mejia has over 40 years of experience in clinical psychology, neuropsychology, and forensic psychology. He has an active psychology practice, in English and Spanish, mostly doing work in forensic psychology. His practice primarily involves conducting psychological and neuropsychological evaluations, and, on that basis, he presents expert opinions to the court and other professionals and entities. He does extensive work in criminal law, including murder cases, with consideration of capital punishment. He performs competency and diminished capacity evaluations, conducts evaluations related to immigration cases, and evaluates neuropsychological impairment in personal injury cases. Moreover, he assesses family law litigants and their children, and provides psychotherapeutic treatment to adults, juveniles, couples, and families.
Mejia has a PhD in clinical psychology from the University of Utah, an MA in psychology from California State University, Los Angeles, and a BA in psychology from Benedictine College in Atchison, Kansas. He was a faculty member at the University of Utah, where he was also on the admissions committee for the medical school. He also served as a faculty member at Brigham Young University in Provo, Utah, where he was a training provider for psychology postgraduate students placed at the University Counseling and Psychological Services Center. He is a certified alienist (forensic psychologist) for the Utah Department of Human Services and a certified sex offender evaluation and treatment provider for the Utah Department of Corrections. He has held leadership positions in community organizations and governmental boards.