I graduated from the Maine Criminal Justice Academy in 1979 and I spent 12 years in law enforcement. I have a bachelor’s degree in psychology, two master’s degrees in psychology and a Ph.D. in clinical psychology.

I also teach psychology courses at Southern New Hampshire University and Southern Maine Community College.

American Association of Correctional and Forensic Psychology

American Association of Suicidology

American Psychological Association 

American Association of Clinical Hypnosis 

Association of Family and Conciliation Courts

Maine Psychological Association

Maine Guardian ad litem Institute

Holbrook, M. I., White, M. H., & Hutt, M. J. (1994). “Increasing awareness of sleep hygiene in rotating shift workers: Arming law enforcement officers against impaired performance.” Perceptual and Motor Skills 79: 520 - 522.

Holbrook, M. I., White, M. H., & Hutt, M. J. (1995). “The Vengeance scale: Comparison of groups and an assessment of external validity.” Psychological Reports 77: 224 - 226.

Holbrook, M. I. (1997). “Anger Management Training in Prison Inmates.” Psychological Reports(81): 623 - 626.

Holbrook, M. I. (2003). " A Parenting Guide®." 

Holbrook, M. I. (1999). " Suicide Assessments for Crisis Workers." 

Holbrook, M. I. (1995). The Vengeance Scale: A Comparison of Groups and an Assessment of External Validity, (1995). Psychological Reports, 77, 224 - 226.

Johnson, D. and Holbrook, M. I. (1994). "Students: Beware of Opinions Masquerading as Facts": On fostering awareness of textbooks' limitations in the history of psychology course. This paper was selected for presentation at the June, 1994 Cheiron: The International Society for the History of Behavioral and Social sciences, conference in Montreal, Quebec.

Holbrook, M. I. (1995). "Anger: Don't let it Break You Up." Anger - "Y" was written and published as a cognitive-behavioral treatment program for use with adolescents in a group therapy setting.

Holbrook, M. I. (1995). "Anger: Don't let it Break You Up." Anger - "I" was written and published as a cognitive- behavioral treatment program for use with prison inmates in a group therapy setting. This program is currently in use in the Alabama Department of Corrections.

Holbrook, M. I. Anger Management Training in Prison Inmates. Psychological Reports, 1997, 81, 719 - 722.

Holbrook, M. I. (2005). Reliability and Rationality Among Crisis Clinicians in the Prediction of Suicide. Under review.

Holbrook, M. I. (2002). Suicide Risk Assessment and Prevention in City and County Jails.

Holbrook, M. I. (2003). Truth Hurts. Law Enforcement News, 29, (601), 11.

Holbrook, M. I. ( 2004). Ethics and sleep deprivation. Law Enforcement News,30, (626), 11.