Eric A. Youngstrom, PhD, is Professor of Psychology and Neuroscience and Professor of Psychiatry at the University of North Carolina at Chapel Hill, where he is also Acting Director of the Center for Excellence in Research and Treatment of Bipolar Disorder. He was the inaugural recipient of the Early Career Award from the Society of Clinical Child and Adolescent Psychology of the American Psychological Association (APA), and is an elected full member of the American College of Neuropsychopharmacology. Dr. Youngstrom has consulted on DSM-5 and ICD-11. He is past president of the Society for Clinical Child and Adolescent Psychology and currently chairs the Work Group on Child Diagnosis for the International Society for Bipolar Disorders and serves as President (2020) of APA Division 5, Quantitative and Qualitative Methods.