Criminal Competency Expert Witnesses

La Crescenta, California

Neuropsychology, Forensic Psychology - Traumatic Brain Injury (TBI), Post-Traumatic Stress Disorder (PTSD), Stroke, Dementia, Personal Injury, IME/ AME, Worker's Compensation, Civil Competency (Testamentary Capacity, Contractual Capacity, Undue Influence, Conservatorship), Criminal Competency, Fitness for Duty, Violence Risk Assessment

I am a clinical psychologist specializing in forensic psychology and neuropsychology with over 10 years of experience in assessing, treating, and consulting on psychological disorders. I completed a 2-year post-doctoral fellowship in neuropsychology. I specialize in providing comprehensive psychological and neuropsychological evaluations for various conditions including dementia, Alzheimer’s disease, complications from a stroke, traumatic brain injury, concussions, learning disabilities, ADHD, and PTSD. I am appointed to the Juvenile Court Expert Witness and Competency Panel and Adult Criminal Court Expert Witness Panel in Los Angeles. I regularly conduct psychological and neuropsychological evaluations for attorneys and the court for criminal proceedings for mental health diversion and mitigation, violence risk, and competency to stand trial. I also specialize in forensic psychological and neuropsychological evaluations for immigration hearings, civil and criminal competency,...

Hanover, Pennsylvania

Education & Schools, Psychology - IEE/Psychoed Eval, IDEA/Special Education, ADA/504 Plans, Dyslexia/Dyscalculia/Dysgraphia, Autism, Emotional Disturbance, OHI/ADHD, Intellectual Disability, LRE/FAPE, Expert Witness, Due Process, IEP, Psychological/Neuropsychological Evals, Risk Assessment, IME, Civil Competency, Criminal Competency, Ethics, Professional Standards

Ray W. Christner, Psy.D., NCSP, ABPP, is a licensed psychologist in Pennsylvania and Delaware. He is also a nationally certified school psychologist and a nationally registered health service psychologist with 30 years of experience in mental health. Dr. Christner specializes in clinical and school psychology and is board-certified in behavioral and cognitive psychology. Based in Hanover, Pennsylvania, he operates an independent practice and provides telepsychology services in 43 states as an authorization holder of both APIT (Authorization to Practice Interjurisdictional Telepsychology) and TAP (Temporary Authorization to Practice). His services include psychological and neuropsychological testing, forensic evaluations, psychotherapy, expert witness review and testimony, and consultation, working with children, adolescents, and adults with psychological, developmental, social, behavioral, and learning differences. Dr. Christner has provided forensic psychological evaluations i...