Psychological Testing Expert Witnesses
Psychological testing expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on psychological testing. The psychological testing expert witness listings on this page are typically from fields/areas of expertise such as: Forensic Psychology, Mental Health, Neuropsychology, Psychiatry, Psychology, and Vocational Rehabilitation.
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Jennifer Harrison, PsyD, ABPP ATR-BC
Board Certified Psychologist Trauma Specialist
Therapy Partners of the Peninsula
Burlingame, California
Psychology, Mental Health
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Trauma, Child Abuse, Psychopathology, Psychological Testing, Competency, Family Dynamics, Attachment, Child Developement, Human Development, Mental Health Issues, IME, Sexual Abuse
Dr. Harrison's clinical work sits at the intersection of trauma, family systems, and the law. She provides specialized therapy and psychological assessment to individuals, children, and families navigating the most high-stakes moments of their lives -- including those involved in family court proceedings, custody disputes, and complex trauma histories. Her integrative approach draws on EMDR, Trauma-Focused CBT, Child-Parent Psychotherapy, Neurofeedback, and Art Therapy, tailoring each treatment plan to the individual's developmental and psychological needs.
As Training Director at San Jose Behavioral Health Hospital and Villa Fairmont Mental Health Rehabilitation Center, Dr. Harrison oversees psychological assessment and clinical supervision for doctoral practicum students working with adolescents and adults with serious psychiatric conditions and dual diagnoses. She also serves as Adjunct Professor at New York University and is an active contributor to NAMI San Mateo and the Blue ...
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Lucas A Klein, Ph.D.
Expert Psychologist: Reports/Testimony/Consults
DR KLEIN PSYCHOLOGICAL SERVICES, INC
San Diego, California
Psychology, Forensic Psychology
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Symptom Validity, Psychological Testing, Emotional Damages, PTSD, Sexual Abuse, Qualified Medical Evaluations, Civil Litigation, Emotional distress, Personal injury, Trauma and abuse, Diagnostic Assessment, Motor Vehicle Accident, Capacity, Diagnostic Assessment, Post Traumatic Stress Disorder, Defense Base Act Claims, Malingering
I am a forensic psychologist with over 15 years in private practice, specializing in psychological evaluations across civil, criminal, and correctional contexts. My background combines scientific training in psychological assessment with clinical depth, including psychoanalytic training, enabling evaluations that are psychometrically sound and contextually thorough.
Areas of Expertise
Psychological Testing: Extensive experience with assessments including malingering/symptom validity, PTSD, cognitive functioning, and personality profiling.
Communication: Experienced in translating complex psychological data into clear, well-organized written reports and courtroom testimony.
Dual Training: Clinical and forensic background, with attention to both overt presentation and underlying psychological dynamics.
Consultation: Complimentary initial consultations to assess case fit; referrals provided when another specialist is better suited.
Types of Cases
Civil Litigation
Qualified Medical E...
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Dr. Colleen Long, Psy.D. Forensic & Neuropsychology Expert
Psychodiagnostic Forensic & Medical Legal Expert
BonPsy Wellness
Mission Viejo, California
Forensic Psychology, Neuropsychology
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Psychological Testing, Personal Injury, Trauma, PTSD, Expert Testimony, Criminal Competency, TBI, Fitness for Duty, Civil Litigation, Forensic Evaluation, Diagnostic Assessment, High Conflict Divorce, Violence Risk Assessment, Insanity/NGRI, Pediatric Neuropsychology, Civil Competency, Conservatorship, Workers Compensation, IME/AME
Dr. Colleen Long, Licensed Clinical Psychologist
Mission Viejo, California
Forensic Psychology and Neuropsychology – Neuropsychological Assessment, Diagnostic Assessment, Pediatric Neuropsychology, Geropsychology, Clinical Report Writing, Differential Diagnosis, PTSD, TBI, Malingering, Criminal Competency, Civil Competency, Emotional Damages, Workers’ Compensation, High Conflict Divorce.
Professional Profile
Dr. Colleen Long is a highly experienced clinical psychologist and neuropsychologist with over 15 years of private practice and institutional experience. She specializes in the forensic application of neuropsychological assessments across the entire developmental lifespan; from children and adolescents to adults and the geriatric population.
With a career history of over 8,000 evaluations, Dr. Long is recognized for her precision and diagnostic authority. She possesses the rare ability to translate raw psychometric data into sophisticated, court-ready clinical reports that do m...
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Natalie Jones, PsyD, LPCC
Psychology Expert
Lifetime Counseling and Consulting
Fair Oaks, California
Psychology, Forensic Psychology
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Domestic violence, psychological abuse, emotional abuse, correctional mental health, wrongful death, PTSD, sex abuse, sex offender, emotional distress , retaliation, stalking, mental health, counseling, mental health, victimization, trauma, therapist, sexual assault, discrimination, psychological testing
Private practice since 2014. Experience in evaluations and testimony for adults. 12 years of experience as a counselor, trainer, interviewer, report writer working with victims of abuse, sexual assault, and with perpetrators of violence, and Dept of Corrections. Licensed as licensed professional clinical counselor in California since 2014. Doctorate in clinical psychology in 2016. Became certified as a National Domestic Violence Counselor in 2010.
1) Domestic violence / coercive control /emotional abuse
2) Psych evaluations
3) Mental health assessment
4) Sexual abuse / sexual assault evaluations
5) PTSD / emotional distress
6) Discrimination
*CV available upon request
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Alan M Jaffe, Psy. D.
Forensic Psych-Custody-PTSD-IME-CREDIBILITY-IL WI
Northwestern University Feinberg School of Medicine
Illinois
Psychiatry, Forensic Psychology
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Child Custody Eval, Parental Alienation, PTSD, Substance Abuse, Addiction, Child sexual abuse, repressed memory, Sexual Offender, Family Law, Psychological Testing, Malingering, Competency trial, Fitness for Duty, Undue Influence, Standard of Care, independent medical exam, Testmentary Capacity, Post Traumatic Stress, psychology, IME
Dr. Alan M. Jaffe brings 45 years of forensic psychology and experience to the courtroom, having conducted more than 2,000 psychological evaluations in matters ranging from child custody disputes to high-profile criminal cases. He serves as Clinical Assistant Professor of Psychiatry and Behavioral Sciences at Northwestern University Feinberg School of Medicine, a faculty position he has held for over four decades.
Dr. Jaffe is the author of the forthcoming academic textbook Parental Alienation Abuse: Psychological Implications and Legal Challenges, published by Nova Science Publishers. This work establishes parental alienation as a distinct form of psychological child abuse and provides courts with an empirically grounded framework for identification and intervention. His scholarship on custody evaluation has been recognized in the University of La Verne Law Review—a distinction rarely accorded to psychologists—and he has been published in multiple American Bar Association journals ...
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MARK S WAGNER, Ph.D.
WAGNER PSYCHOLOGICAL ASSOCIATES
JENKINTOWN, Pennsylvania
Neuropsychology, Vocational Rehabilitation
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Cognitive, Traumatic Brain Injury, Concussion, Head Trauma, neurocognitive disorders, seizure disorders, psychological, learning disabilities, emotional distress, job assessment, vocational assessment, psychological testing, psychological assessment, neuropsychological assessment, memory impairment
I am licensed as a psychologist in both Pennsylvania and New Jersey; and board certified as both a clinical neuropsychologist and vocational expert with the American Board of Professional Neuropsychology and the American Board of Vocational Experts.
I provide for comprehensive neuropsychological and vocational evaluations for individuals (children, adolescents, adults) presenting with various forms of learning disabilities, developmental disabilities, traumatic brain injuries, memory loss, cognitive impairment, concussions, attention problems, acquired brain injuries, competency issues and dementia. when performing a neuropsychological evaluation, these evaluations are focused on identifying areas of neurocognitive strength and weakness. Focus is not only on the degree or nature of the impairment that the individual presents with, but also how this impacts the individual’s activities of daily living. This includes the ability to return to school or work; and also the individu...
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Neslihan Chandler, PhD
Pediatric Clinical Psychologist - Evaluations
Neslihan Chandler, PhD Private Practice
Fort Worth, Texas
Psychology, Neuropsychology
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Psychology, Psychologist, Pediatric Psychologist, Psychological Assessments, Psychological Evaluations, Psychological Testing, Brain Injury, Sexual Assault, Rebuttal Letter, Testing, Traumatic Brain Injury, Cognitive Testing, PTSD, Autism, Neuropsycholoigcal Evaluations, Child Psychology, Medical Malpractice, Personal Injury
Dr. Chandler is a board certified Child & Adolescent Clinical Psychologist. She holds a PhD in Clinical Psychology, is board certified in the state of Texas, and sepcializes in Psychological/Neuropsychological Assessments for children and adolescents. Dr. Chandler has been in practice for 25 years and has private practice in Fort Worth, TX. She has performed over 5,000 clinical evaluations in her private practice and has extensive clinical knowledge and experience. She has been working as an expert witness since 2020. She has worked on personal injury cases, traumatic brain injury cases, sexual assault cases, and medical malpractice cases.
Dr. Chandler is highly experienced in administering, scoring, and interpreting a wide variety of psychological tests, including cognitive, emotional, and neuropsychological assessments. Her assessments are individually tailored for each client/sitaution to answer specific referral questions and are based on data-supported, evidenced-based asses...
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Alan M Jaffe, Psy. D.
Forensic Psych-Custody-PTSD-IME-CREDIBILITY-IL WI
Northwestern University Feinberg School of Medicine
Lake Geneva, Wisconsin
Psychiatry, Forensic Psychology
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Child Custody Eval, Parental Alienation, PTSD, Substance Abuse, Addiction, Child sexual abuse, repressed memory, Sexual Offender, Family Law, Psychological Testing, Malingering, Competency trial, Fitness for Duty, Undue Influence, Standard of Care, independent medical exam, Testmentary Capacity, Post Traumatic Stress, psychology, IME
Dr. Alan M. Jaffe brings 45 years of forensic psychology and experience to the courtroom, having conducted more than 2,000 psychological evaluations in matters ranging from child custody disputes to high-profile criminal cases. He serves as Clinical Assistant Professor of Psychiatry and Behavioral Sciences at Northwestern University Feinberg School of Medicine, a faculty position he has held for over four decades.
Dr. Jaffe is the author of the forthcoming academic textbook Parental Alienation Abuse: Psychological Implications and Legal Challenges, published by Nova Science Publishers. This work establishes parental alienation as a distinct form of psychological child abuse and provides courts with an empirically grounded framework for identification and intervention. His scholarship on custody evaluation has been recognized in the University of La Verne Law Review—a distinction rarely accorded to psychologists—and he has been published in multiple American Bar Association journals ...