As a clinical psychologist, his work has focused on disorders commonly found in criminal justice settings. His research on the nature and treatment of anger has been published in scientific journals and books for practitioners, and has been presented at conferences throughout the United States and abroad. Howard Kassinove, Ph.D., ABPP, a board certified clinical psychologist, is chairperson of the Psychology Department at Hofstra University and is a past director of their Ph.D. Program in Clinical Details Book