A licensed psychologist, certified forensic psychologist and vocational expert, Dr. Manges has more than 40 years of clinical and courtroom experience in earning capacity, trauma, vocational ability and traumatic brain injury, among other subject matters. He is the past president of The American Board of Vocational Experts, which accredits expert witnesses in the field of forensics, and serves on the editorial board for the peer review journal, The Journal of Forensic Vocational Analysis. He performs forensic psychological examinations, including those for competency, intent, untoward influence, alleged sexual abuse and grief. He has testified in cases nationwide and is qualified in federal, civil and military courts. Dr. Manges taught forensic psychology in the doctoral program at Union Institute and psychology in the masters program at the College of Graduate Studies at West Virginia University. He provides consultations and psychological examinations for multiple hospitals and works with veterans suffering from PTSD and other psychological issues. Dr. Manges co-developed the Manges-Garmize Behavioral Assessment Scale.


  • Certified Forensic Psychologist
  • Licensed Psychologist, Ohio, West Virginia
  • American Board of Vocational Experts, Diplomate
  • American Board of Forensic Examiners, Diplomate
  • American Board of Professional Disability Consultants, Diplomate
  • National Center for Crisis Management, Diplomate
  • Academy of Integrative Pain Management, Diplomate
  • PhD, Psychology, University of Maryland, 1974
  • MS, Psychology, Brooklyn College, 1972
  • BA, Psychology, Adelphi University, 1970
  • Certification Training as a Trainer of Emergency Responders, 2004
  • Certification Training as an Ohio DMH Emergency Responder, 2003
  • Certification Training in Bereavement, 2001
  • Certification Training in Mediation, Harvard University, 2000


  • Academy of Medicine, Hamilton, Ohio, Member
  • American Academy of Bereavement, Member
  • American Academy of Experts in Traumatic Stress, Member
  • American Board of Professional Disability Consultants, Member
  • American Board of Vocational Experts, Member
    • President 1998 – 2000
  • American Psychological Association, Member
  • International Association of Rehabilitation Professionals, Ohio Board, Member
  • South Western Ohio Rehabilitation Association, Member
  • Ohio Psychological Association, Member

* Partial bio; contact Humatec for comprehensive CV