Wheaton has interests in the psychopathology and treatment of obsessive-compulsive disorder (OCD) and OCD-related disorders, with a particular emphasis on behavioral therapy. He has written extensively about OCD and behavioral therapy and has been published in many academic journals, including the Journal of Obsessive-Compulsive and Related Disorders, Behavior Research and Therapy, and the Journal of Behavior Therapy and Experimental Psychiatry. Wheaton is also the recipient of the Early Career Achievement Award from the American Psychological Association. He has a BA from Cornell University and an MA and PhD from The University of North Carolina at Chapel Hill.