Robert L. Leahy is a psychologist and author and editor of 29 books dedicated to cognitive behaviour therapy.

He is the director of the American Institute for Cognitive Therapy in New York[1] and Clinical Professor of Psychology in the Department of Psychiatry at Weill Cornell Medical College.

[10] In addition, he has published widely on the application of the cognitive model to the therapeutic relationship,[11] transference and counter-transference, resistance to change,[12] and beliefs about emotion regulation[10][13] that may underpin problematic strategies for coping with or responding to emotions in the therapeutic context.

[11] In addition to his work on emotional schemas, Leahy has written about problematic styles of judgment and decision making[17] that are relevant in depression and anxiety disorders.

[18] In 2021, he received an Honorary Doctor of Humane Letters degree from the Philadelphia College of Osteopathic Medicine.