ALL OCD ARTICLES







Angela D. Harper, MD
Medical Reviewer
Angela D. Harper, MD, is in private practice at Columbia Psychiatric Associates in South Carolina, where she provides evaluations, medication management, and psychotherapy for adults.
A distinguished fellow of the American Psychiatric Association, Dr. Harper has worked as a psychiatrist throughout her career, serving a large number of patients in various settings, including a psychiatric hospital on the inpatient psychiatric and addiction units, a community mental health center, and a 350-bed nursing home and rehab facility. She has provided legal case consultation for a number of attorneys.
Harper graduated magna cum laude from Furman University with a bachelor's degree and cum laude from the University of South Carolina School of Medicine, where she also completed her residency in adult psychiatry. During residency, she won numerous awards, including the Laughlin Fellowship from the American College of Psychiatrists, the Ginsberg Fellowship from the American Association of Directors of Psychiatric Residency Training, and resident of the year and resident medical student teacher of the year. She was also the member-in-training trustee to the American Psychiatric Association board of trustees during her last two years of residency training.
Harper volunteered for a five-year term on her medical school's admission committee, has given numerous presentations, and has taught medical students and residents. She currently supervises a nurse practitioner. She is passionate about volunteering for the state medical board's medical disciplinary commission, on which she has served since 2015.
She and her husband are avid travelers and have been to over 55 countries and territories.

Kelsey M. Latimer, PhD, RN
Medical Reviewer
Kelsey M. Latimer, PhD, RN, is a psychologist, nurse, and certified eating disorder specialist, and is the founder and owner of KML Psychological Services.
Dr. Latimer earned her PhD and master's degree from the University of North Texas, with an emphasis in child and adolescent development and in neuropsychology. Throughout her doctoral training, she became passionate about the prevention and treatment of eating disorders, women's issues, trauma treatment, and anxiety management. She has since overseen several nationally recognized eating disorder treatment programs.
She recently earned a bachelor's in nursing from Florida Atlantic University and is in the process of completing a master's of nursing, with a psychiatric mental health focus, which will allow her to become a medication provider. In addition, she has been accepted into an intensive research training and certification program at Harvard Medical School for 2024.
Latimer's focus is on empowering people to be informed and aware of their health and well-being, which includes increasing access to care. She has made over 50 invited appearances to speak about topics such as body image, dieting downfalls, eating disorder evidence-based treatment, college student functioning, and working with the millennial generation. She has been featured in dozens of media outlets and is a coauthor of the children's book series Poofas, which helps children understand their emotions and develop positive self-esteem and self-talk.

Lee S. Cohen, MD
Medical Reviewer
Lee S. Cohen, MD, is an associate professor of clinical psychiatry at Columbia University Irving Medical Center, maintains a clinical practice focused on expert and complex diagnostics, and is considered an international expert in clinical psychopharmacology. He is also the director of the Clinical Neuroscience Center, involved in innovative development and discovery of new compounds for neuropsychiatric conditions and directly consults with multiple pharmaceutical companies worldwide.
Dr. Cohen graduated from the Sophie Davis Biomedical Education Program at the CUNY School of Medicine at The City College of New York, an accelerated six-year BS/MD program. He then completed his MD at SUNY Stony Brook School of Medicine.
He trained in pediatrics and adult psychiatry at Mount Sinai Hospital in New York City, followed by a fellowship in child and adolescent psychiatry at New York Presbyterian Columbia University Irving Medical Center. He served for 20 years as the director of psychiatry at the Clinical Neuroscience Center at Mount Sinai West Hospital.
He is a senior reviewer for multiple journals, including the Journal of Child and Adolescent Psychopharmacology, the Journal of Developmental and Physical Disabilities, and the International Journal of Autism and Related Disabilities.
Cohen teaches and presents research domestically and internationally at meetings such as those of the American Psychiatric Association and at major universities around the country.

Seth Gillihan, PhD
Medical Reviewer
- What Is Obsessive-Compulsive and Related Disorders? American Psychiatric Association. September 2024.