Psychological Injury Expert Witnesses

Psychological injury 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 injury. The psychological injury expert witness listings on this page are typically from fields/areas of expertise such as: Forensic Psychiatry, Forensic Psychology, Medical Management, Mental Health, Psychiatry, and Psychology.

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Christine E. Valdez, Ph.D., ABPP

Forensic Psychologist – Trauma & PTSD

Walnut Creek, California
Psychology, Forensic Psychology - forensic psychologist, psychological injury, PTSD evaluation, trauma assessment, interpersonal violence, IME, personal injury, sexual harassment, expert witness, record review, rebuttal expert, causation, impairment, malingering, symptom validity, workplace trauma, disability evaluation, trauma expert, VA disability, trauma disorder
Christine E. Valdez, Ph.D., ABPP is a California licensed clinical psychologist and board-certified in clinical psychology. She specializes in forensic psychology and is retained in civil litigation to provide forensic psychological evaluation and consultation in cases involving trauma, PTSD, interpersonal violence, and psychological injury. Dr. Valdez has conducted over 1,000 forensic evaluations through her work with the U.S. Department of Veterans Affairs, including disability and compensation-related assessments. Her evaluations address diagnosis, causation, and functional impairment and are grounded in both clinical expertise and research in traumatic stress. Dr. Valdez is a Professor of Clinical Psychology at California State University, Monterey Bay, where she teaches psychopathology and advanced research methods and trains clinicians in assessment and diagnosis. She has authored over 25 peer-reviewed publications and delivered more than 50 professional presentations on tra...
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Donna L. Peters, Psy.D.

Forensic Evaluation & Trauma Specialist

Donna Peters, Psy.D., PC

Denver, Colorado
Forensic Psychology, Psychology - Domestic Abuse/Intimate Partner Violence, Rape and Sexual Assault, Allegations of Child Sexual Abuse, Effects of Trauma, Posttraumatic Stress Disorder (PTSD) and Related Traumatic Sequelae, Educator Abuse, Civil Litigation Consultation, Psychological Injury, Sentence Mitigation, Expert Witness
Dr. Peters is a seasoned clinical and forensic psychologist with over 25 years of experience providing expert psychological services in both civil and criminal legal matters. She specializes in comprehensive forensic psychological evaluations, expert witness testimony, and attorney consultation. Her areas of expertise include: Legal & Forensic Contexts • Military Court Martial Consultation: Expertise and consultation within military populations on issues such as domestic violence, sexual assault, and other forms of interpersonal violence. • Immigration & Asylum Evaluations: Psychological assessments for hardship, asylum, and human rights cases (including U-visas and T-visas). • Civil Litigation & Personal Injury: Evaluation of emotional distress and psychological damages in civil suits. • Criminal Mitigation: Psychological evaluations and context for sentencing and defense strategy. Specialized Trauma & Victimology • Combat-Related PTSD: Specialized knowledge in veteran mental he...
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Samantha J Engelstad, PsyD, LCSW

Forensic Evaluation & Trauma Specialist

SJE LLC

Denver, Colorado
Psychology, Mental Health - Trauma, Psychological Injury, Sexual Violence, Childhood sexual trauma, Expert Witness, educator abuse, military sexual trauma, Effects of Trauma, Posttraumatic Stress Disorder (PTSD) and Related Traumatic Sequelae, Domestic Abuse/Intimate Partner Violence, Rape and Sexual Assault, Civil Litigation Consultation
As an individual passionate about justice, I specialize in forensic services. I have extensive experience working with survivors of interpersonal violence, including sexual violence, domestic violence, and childhood abuse and neglect. In addition to providing therapeutic support to individuals impacted by trauma, I also serve as an expert witness in cases involving interpersonal trauma and conduct forensic psychological evaluations. My findings and opinions are objective, and I am available to consult in both criminal and civil matters, for the prosecution or defense, as well as plaintiffs or defendants.
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Joseph L.J. Schwartz, Psy.D

Rehoboth Beach, Delaware
Psychology, Mental Health - School Psychology, Criminal Forensic Psychology, Post Traumatic Stress Disorder, Clinical Forensic Psychology, Psychological Injury, Custody Evaluation, Child Abuse, Spousal Abuse, Mental Status Review, Harassment, Capacity Evaluation, Competency Evaluation, Stalking
Dr. Joseph Schwartz has specialized in school, clinical and forensic psychology for over 30 years. He has conducted over 1000 Mental Health Evaluations and over 500 Independent Medical Exams. He has assisted attorneys addressing legal questions pertinent to high conflict co-parenting difficulties, domestic violence and abuse, violence and sex offender risk assessment, psycho-sexual issues, developmental disorders, learning disabilities, head injury, neuropsychological functioning, cognitive ability, psychological/emotional damages for Family Law, Criminal and Civil Court. He has provided expert advice and legal consultation regarding various parenting and psychological issues including: Psychological and Neuropsychological testing, Parenting Plans, Expert Witness testimony, School and Home evaluations. Currently, Dr. Schwartz maintains a Private Practice in Rehoboth Beach, DE. Since 1993 he has been Licensed in New York and Delaware where he was frequently called and asked to tes...
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MATTHEW B. NESSETTI, M.D., Ph.D., J.D.

Court Ready Psychological & Medical Evaluations

AllCare Medical Centers, P.C.

bradenton, Florida
Psychology, Medical Management - Medical Psychology, Medical Management, Forensic Psychology, Psychopharmacology, Psychological Assessment, Medical Malpractice, Medical Legal, Standard of Care, Medical Damages, Psychological Damages, Psychotherapy, Causation, Independent Medical Examiner, Disability, Psychological Injury, Medical Injury, Family Medicine
Dr. Matthew B. R. Nessetti, MD, PhD, JD, provides independent, court-defensible forensic psychological and medical evaluations across Florida and multiple U.S. jurisdictions. A board-certified family physician (ABFM) and board-certified medical psychologist (ABMP), Dr. Nessetti integrates medical, psychological, and legal expertise to produce clear, evidence-based reports and expert opinions. His evaluations are objective, timely, and aligned with current professional and ethical standards. Attorneys, insurers, and courts rely on his analyses for civil litigation, disability determinations, independent medical evaluations (IMEs), and malpractice defense. Dr. Nessetti’s multidisciplinary credentials ensure forensic opinions that stand up to cross-examination. Core Services: Civil & Personal-Injury Evaluations — Psychological injury, emotional damages, causation analysis. Disability Determinations — Independent assessments for SSA, private carriers, and employers. Independent M...
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Cara Marconi, PsyD

Clinical Psychologist - Trauma & Standards of Care

Lancaster, Pennsylvania
Psychology, Mental Health - Posttraumatic stress disorder (ptsd), trauma, eating disorders, suicide risk assessment, emotional distress, clinical supervision, standard of care, duty to warn, psychopathology, suicide, suicide prevention, psychotherapy, risk assessment, mood disorders, anxiety disorders, psychological injury
Dr. Cara Marconi is a clinical psychologist with six years of post-licensure experience and experience across multiple levels of care including inpatient, partial hospital, and outpatient treatment settings. Her clinical work focuses on trauma-related disorders, mood and anxiety disorders, and suicide risk assessment in outpatient mental health treatment. She has worked within multidisciplinary teams, including formal Dialectical Behavior Therapy (DBT) programs, and regularly conducts risk assessments and treatment planning for individuals experiencing trauma-related disorders, suicidality, and complex psychopathology. In addition to her clinical work, Dr. Marconi provides supervision to developing clinicians, taught undergraduate psychology courses, and provided continuing education training on evidence-based PTSD treatment for licensed professionals. She has presented psychological research and clinical topics in professional settings. Dr. Marconi offers expert consultation rela...
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Frank A. Fetterolf, M.D.

Frank A. Fetterolf, M.D. LLC

Pittsburgh, Pennsylvania
Psychiatry, Forensic Psychiatry - Psychological Injury, Post-traumatic Stress (PTSD), Dissociative Identity, Borderline Personality, Factitious, Adult Victims Childhood Sexual Abuse, Sexually Violent Offenders, Paraphilias, Sexual Assault and Harassment, Functional Neuro Symptom (Conversion), Trial Competence, Insanity, Malingering
I am a board-certified psychiatrist, a member of the American Academy of Psychiatry and the Law (AAPL), and a court-appointed forensic psychiatrist for Pennsylvania’s Office of Mental Health and Substance Abuse Services (OMHSAS). I have submitted expert opinions in over 150 cases and have testified as a qualified expert in both state and federal courts. My independent medical/psychiatric evaluations (IMEs) incorporate structured diagnostic tools to support clear, evidence-based forensic opinions. My practice has a specialized focus on forensic evaluations involving complex trauma, dissociation, and contested mental states. I routinely assess individuals with post-traumatic stress disorder (PTSD) related to childhood physical, emotional, or sexual abuse, including presentations in vulnerable populations such as individuals with autism, intellectual disability, or dementia. I have particular expertise in dissociative phenomena—including dissociative subtypes of PTSD, functional neuro...