Consultations + Expert Testimony
Forensic evaluations, consultations & expert testimony for your legal cases.
Serving Greater Los Angeles & Federal Courts
Are you an attorney?
We work with many attorneys throughout Los Angeles and Orange County to determine whether their clients meet the legal requirements for diversion, diminished capacity, mitigation, and competency.
Who Performs Your Evaluation
Every forensic evaluation at Grey Matter is conducted or supervised by a licensed psychologist with forensic-specific training — never handed off to an unsupervised trainee.
Dr. Quincee Gideon, PsyD
Dr. Gideon completed her forensic training at Twin Towers Correctional Facility in downtown Los Angeles, working in the jail's Forensic Inpatient Unit — a hospital built directly into the jail for defendants with the most severe mental illness. She also completed extensive forensic training at Patton State Hospital, working with individuals found Incompetent to Stand Trial (IST) and Not Guilty by Reason of Insanity (NGI).
Full bio & credentials →Dr. Megan Johnson, PhD
Dr. Johnson completed significant forensic work at Twin Towers Correctional Facility in downtown Los Angeles — the largest mental health facility of its kind in the world — evaluating individuals for competency to stand trial, criminal responsibility, and fitness for duty.
Full bio & credentials →Conservatorship Evaluations
Capacity Evaluations
Forensic Evaluation + Testimony
Competency Evaluations
Mitigation Evaluations
Fitness for Duty Evaluations
Forensic consultations
For legal teams:
A full psychological evaluation is not the only way that a forensic psychologist can support a legal team. Our trained and experienced forensic psychologists provide forensic consultations for legal teams before they decide what type of evaluation might be needed for their clients.
We provide consultation services for:
Expert witness testimonies (pre-trial review of materials)
Records reviews before deciding on a psychological evaluation
Trauma-informed consultation and/or training for legal teams
Neuropsychological conditions, such as dementia, ADHD, cognitive disorders, etc
Personality disorders
Risk assessments
Veterans and PTSD
Law Enforcement and PTSD
Expert testimony
We provide Expert Testimony within legal proceedings for prosecutors, defense attorneys, and plaintiffs. We are experts in:
Trauma and it’s impact on overall functioning and behavior
Personality disorders
Dementia and other neurodegenerative diseases
Cognitive disorders
Neurodivergent disorders, such as ADHD