Mark Brenzinger, PsyD


Mark Brenzinger, Psy.D., is a Licensed Clinical and Forensic Psychologist with more than 20 years of experience conducting thousands of indirect threat assessments and direct violence risk evaluations with adult and adolescent male and female subjects. He has worked with clients that range from Fortune-ranked enterprises and mid-sized corporations to government agencies, academic institutions and private individuals.

Mark regularly provides consultation and evaluation services to the private sector and assists corporations and their threat management teams in identifying, assessing, managing, and monitoring potential and actual threats to the organization, its personnel and their families.

He is a designated trainer of the Workplace Assessment of Violence Risk (WAVR-21, Third Edition), which is a 21-item coded instrument for the structured assessment of workplace- and campus-targeted violence risk.

Mark is also a Licensed Sex Offender Evaluator and specializes in psychosexual risk evaluations with male and female adults and adolescents. He has conducted over 1,000 evaluations and provided expert court testimony.

Additionally, Mark conducts fitness for duty evaluations with both public safety personnel and a wide range of professionals. He has extensive experience as a correctional psychologist, including juvenile detention centers, adult jails, correctional facilities and secure psychiatric treatment centers.

Mark has been interviewed for his expertise by news media and publications including The Washington Post, CNN, The Daily Herald and WGN 720 AM radio. He has also written, contributed to and reviewed numerous publications related to the psychology of violence.


  • Association of Threat Assessment Professionals, Member
  • ASIS International, Chicago Chapter, Member
  • Association for the Treatment of Sexual Abusers, Clinical Member


  • Doctor of Clinical Psychology (Psy.D.) Forensic Psychology Minor (APA Accredited); Master of Arts, Clinical Psychology, Argosy University, Illinois School of Professional Psychology
  • Bachelor of Arts, Psychology, minor in Criminal Justice, University of Illinois at Chicago