Glenn R. Sullivan, PhD is a licensed clinical psychologist in independent practice in Lexington, Virginia. He has extensive experience in the diagnosis and evidence-based treatment of depression, anxiety disorders, and Posttraumatic Stress Disorder (PTSD). His professional specializations include psychological assessment, forensic evaluation, and individual psychotherapy. His background includes a postdoctoral residency in post-deployment mental health at the Department of Veterans Affairs Medical Center in Salem, Virginia, and he has written and lectured on psychological assessment, suicide, and mental health treatment.