Edna B. Foa, PhD, until her death in 2026, was Professor of Clinical Psychology in Psychiatry at the University of Pennsylvania, where she founded the Center for the Treatment and Study of Anxiety. Dr. Foa was a pioneering authority on the psychopathology and treatment of anxiety and trauma-related disorders. The developer of prolonged exposure therapy and exposure and response prevention, she was a leader in the dissemination and implementation of evidence-based practices worldwide. Dr. Foa was cited as one of Time magazine's "100 Most Influential People in the World" in 2010, and was a recipient of the Lifetime Achievement Award from the International Society for Traumatic Stress Studies and the Distinguished Scientist Award from the Scientific section of the American Psychological Association, among many other honors.

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Barbara Olasov Rothbaum, PhD, ABPP, is Professor of Psychiatry and Director of the Emory Healthcare Veterans Program and the Trauma and Anxiety Recovery Program at the Emory University School of Medicine.