Graham Emslie, MD

Child and Adolescent Psychiatry Division Chief

Dr. Emslie is a Professor with tenure in the Department of Psychiatry at UT Southwestern Medical Center at Dallas, and is the Chief of the Child and Adolescent Psychiatry Division at UT Southwestern and Children’s Medical Center Dallas. He holds the Charles E. and Sarah M. Seay Chair in Child Psychiatry at UT Southwestern. Dr. Emslie completed his medical training at Aberdeen University in Scotland, his general psychiatry training at the University of Rochester, NY, and child psychiatry research fellowship training at Stanford University. He has published extensively on the psychopharmacological and psychosocial treatments of early-onset psychiatric disorders, and is involved in translating clinical research to clinical practice utilizing treatment algorithms and guidelines. His clinical and research focus is in childhood depression, suicide, bipolar disorder, anxiety disorders, ADHD, and autism.

Catherine Karni, MD

Medical Director

Dr. Karni is an Associate Professor of Psychiatry at the UT Southwestern Medical Center and the Medical Director of the Outpatient Clinic and the Crystal Charity Ball Autism Project at Children's Medical Center in Dallas, Texas. She received her medical degree from the Aristotle University in Thessaloniki, Greece and completed her training in Psychiatry at New York Medical College, Westchester Medical Center, in New York. She also completed a fellowship in Child and Adolescent Psychiatry in Mount Sinai School of Medicine, Mount Sinai Hospital, in New York. She is certified in the specialties of Psychiatry and Child and Adolescent Psychiatry by the American Board of Psychiatry and Neurology. Dr. Karni has presented on the topic of Autism to numerous professional and community audiences. She provides diagnostic assessment and treatment to children on the spectrum. In addition to autism, her clinical interests include other developmental disabilities, anxiety disorders, ADHD and learning disorders.

Preston Wiles, MD


Preston Wiles is Professor of Psychiatry at UT Southwestern Medical Center and Director of Student Mental Health for the UTSW campus student body.   Dr. Wiles returns to his hometown Dallas, having completed medical school at UTSWMS and internship at Baylor University Medical Center, Dallas.  Dr. Wiles went on to complete his residency in Psychiatry at Harvard and Yale Medical Schools. Dr. Wiles served as Chief Resident in Psychiatry at Yale before training in Child and Adolescent Psychiatry at the internationally renowned Child Study Center at Yale.  Dr. Wiles served on the clinical faculty at Yale since 1992, teaching medical students, residents, and fellows in the areas of child development and assessment, psychopharmacology, and children and the law. He has been a guest lecturer at the Yale Law School and was elected a Fellow at Branford College at Yale where he served as a freshman advisor.  Dr. Wiles maintained an active clinical practice in Connecticut and is Board Certified in Psychiatry and in Child and Adolescent Psychiatry.  He was voted by his medical peers for twelve years running to Top Doctors in Connecticut and Top Doctors in the US.  Dr. Wiles is a recognized expert in treatment of young people with neuropsychiatric disorders including autistic spectrum disorders, ADHD, and learning disability. Dr. Wiles has extensive experience as an expert in forensic settings where children are concerned including custody conflict, juvenile justice, and trauma.  In 2002, Dr. Wiles was a keynote speaker at the World Autism Conference in Melbourne, Australia addressing medication treatment for autistic spectrum disorders.  Dr. Wiles has been a prominent public voice for children, writing a New York Times Op Ed piece on the plight of Elian Gonzalez, and appearing as a psychiatric consultant for numerous radio and television programs including CNN, CBS, and ABC.