John D. Preston, Psy.D., ABPP, is a licensed psychologist and author with expertise in neuropsychology and psychotherapy. He has written several books on topics such as cognitive behavioral therapy, psychopharmacology, and ethical practices in psychology. Preston is known for his ability to translate complex psychological and medical concepts into accessible language for both professionals and the general public. He is also recognized for his work as an educator and clinician, having served on the faculty at Alliant International University in California and as a fellow of the American Psychological Association. Preston's contributions to the field have made him a valuable resource for those seeking to better understand and treat mental health issues.