Dr. Barach is the author of scientific and clinical articles on dissociation and dissociative identity disorder. He is a psychologist in the Cuyahoga County Court of Common Pleas Psychiatric Clinic, where he conducts evaluations of felony defendants and provides expert testimony. Dr. Barach conducts evaluations concerning Competency to Stand Trial, Sanity at the Time of the Act, mitigating factors, Movement to Nonsecured Status, and sexual recidivism risk. Dr. Barach has also served as an expert for both plaintiff and defense attorneys in civil matters, such as malpractice cases. For over 25 years, Dr. Barach was a full-time clinicial psychologist, treating adults and couples, with a speciality in dissociative disorders. Dr. Barach is currently limiting his practice to forensic psychological services and conference presentations.

Dr. Barach is Senior Clinical Instructor in Psychiatry at Case Western Reserve Medical School in Cleveland, Ohio. He is a past president of the International Society for the Study of Trauma and Dissociation. Within the dissociative disorders field, he is known for having first highlighted the link between disordered attachment and the origins of dissociative disorders. In addition to his writings on dissociation, Dr. Barach also wrote (with R. F. Stamps) The Therapist's Internet Handbook, published by W. W. Norton.