Dr. Lyon is a Tenured Professor of Pediatrics in the Department of Pediatrics at George Washington University School of Medicine and Health Sciences; and Clinical Health Psychologist at the Center for Translational Research at Children’s National Hospital in Washington, D.C. Dr. Lyon graduated with a PhD in Clinical Psychology in 1990. Dr. Lyon has worked as a clinician and researcher with adolescents and adults. Dr. Lyon’s research focuses on advance care planning interventions for persons living with serious illness, including cancer and HIV. Dr. Lyon is currently the Principal Investigator on an ongoing pilot trial funded by the National Institutes of Health/National Institute of Nursing Research of FACE-Rare for family caregivers of children with rare diseases who are unable to participate in medical decision-making. Dr. Lyon is a Fellow of the American Psychological Association, the American Board of Professional Psychology, and the Society of Adolescent and Young Adult Medicine.