Damon Berryman has been involved in the providing of addiction treatment for almost 20 years, including abstinence-based 12-step, inpatient, outpatient, and intensive modalities. One of his areas of focus is dual diagnosis, wherein he trains psychiatrists in their prescribing practices for addicts. He has written numerous training manuals, including those for New York State Department of Correctional Services, New York State Employee's Assistance Program, and New York State Office of Alcoholism and Substance Abuse Services.

He has been involved with trainings for the Governor's Office on Employee Relations in New York, Training and Curriculum development for Rockefeller College, and other trainings for private concerns. Damon is featured in the following exclusive film series, available only through FMS.