Violence Risk Assessment Expert Witnesses
Violence risk assessment 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 violence risk assessment. The violence risk assessment expert witness listings on this page are typically from fields/areas of expertise such as: Behavioral and Social Sciences, Forensic Psychiatry, Forensic Psychology, Mental Health, Neuropsychology, Psychology, Risk Management, and Social Work.
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Rebecca H Loftis, PsyD CCHP-MH
Proven Mental Health Jail/Prison Standards Expert
Forenpsych
Dragoon, Arizona
Forensic Psychology, Psychology
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Criminal Forensic Evaluations, Correctional Suicide, Violation of Correctional Standards, Psychological Autopsy, Violence Risk Assessment, Psychosexual Risk Assessment, Psychopathy, Incarceration Trauma, Anger Management, Correctional Mental Healthcare, Isolation Harm, Jails & Prisons, Correctional Healthcare, jail suicide
Dr. Loftis is a Certified Correctional Health Professional- Mental Health, a designation governed by the National Commission on Correctional Health Care. She has over twenty years of experience in correctional health care, having provided training on suicide prevention in custody, correctional standards and correctional programs review. She has conducted numerous psychological autopsies, civil commitment and risk of violence evaluations, sexual violence and recidivism assessments for the correctional community.
Dr. Loftis became Designated Forensic Psychologist in Massachusetts, having trained at state hospitals, correctional institutions and rural clinics. She has provided the courts with Competency to Stand Trial, Criminal Responsibility and Drug and Alcohol Evaluations.
Dr. Loftis has evaluated several thousands of persons convicted of sex offenses and violent offenders seeking parole or pardons in the state of Nevada. She has also consulted on topics such as rapist typologies,...
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Sarah DeMarco, Psy.D.
Forensic Psychology Expert
Elara Clinical & Forensic Psychology
Los Angeles, California
Forensic Psychology, Psychology
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Sex Offense Risk Assessment, Violence Risk Assessment, Firearm Risk Assessment, Mental Health Diversion, Personal Injury/Civil, Psychosexual, Criminal Responsibility, Mitigation, Fitness for Duty, Malingering, Competency to Stand Trial, Adam Walsh Act, Personal Injury, PTSD, Civil Capacities
Dr. Sarah DeMarco is a licensed psychologist in California, New York, and New Jersey, with over a decade of experience conducting independent, evidence-based forensic mental health assessments in both criminal and civil matters. Dr. DeMarco’s forensic psychological expertise encompasses a wide range of psycholegal issues, including competency to stand trial, criminal responsibility (insanity), risk assessment for violence and sexual violence, mitigation, mental health diversion, fitness for duty, pre-employment, and personal injury matters. She also has specialized experience in firearm-related risk assessments, including concealed carry (CCW) permit denials, firearm rights restoration, and risk evaluations relevant to restraining orders and “red flag” statutes.
Dr. DeMarco has provided expert witness testimony in over 60 cases across three different states in the above matters, as well as consultation to attorneys, courts, institutions, and agencies. Her reports are evidence-based...
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Nicole M Vienna
Forensic and Neuropsychology
Vienna Psychological Group, Inc.
Los Angeles, California
Forensic Psychology, Neuropsychology
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Neurodevelopmental Disorders, Autism, Intellectual Disability, Traumatic Brain Injury (TBI), Post-Traumatic Stress Disorder (PTSD), Violence Risk Assessment, Personal Injury, Testamentary Capacity, Contractual Capacity, Undue Influence, Anxiety, Depression, Malingering, Personality Disorders, Damage Assessment
I am a licensed psychologist in California specializing in forensic and neuropsychological evaluations with approximately 15 years of clinical, correctional, and forensic experience. I have specialized training in PTSD and trauma-related disorders. I provided trauma informed treatment in private practice utilizing evidenced based methods to individuals who experienced negative emotions, cognition, and impairment in functioning. Additionally, I have extensive training in adolescent brain development, brain disorders, and neuropsychology as I completed a two-year postdoctoral specialization in Neuropsychology through Fielding University.
I conduct a range of psycho-legal evaluations. My opinions are grounded in evidence-based, empirically supported psychological and neuropsychological assessment methods and clinical research. Civil evaluations: Personal injury (trauma assessments/PTSD & TBI claims), expert testimony regarding trauma (PTSD and adverse childhood experiences), and civil...
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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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Emin Gharibian, Psy.D.
Forensic Psychology and Neuropsychology
Verdugo Psychological Associates
La Crescenta, California
Neuropsychology, Forensic Psychology
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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,...
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Matt Bruce, PhD
Forensic Psychologist Expert Witness
Washington , District Of Columbia
Forensic Psychology, Mental Health
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Sexual violence risk assessment, Severe mental illness, Violence risk assessment, Personality Disorder, Treatment and rehabilitation, Public Safety, Dangerousness, Mitigation, Threat Assessment, Psychiatric risk assessment, Psychopathy, Competency to Stand Trial, Criminal Responsibility, Malingering
Dr. Matt Bruce is a forensic psychologist and Assistant Professor at George Washington University. His work focuses on risk assessment, criminal decision-making, and the psychological pathways underlying serious offending. He has particular expertise in the evaluation of individuals within the justice system, including complex forensic assessments for sentencing and resentencing, as well as determinations of competency and criminal responsibility.
Dr. Bruce has developed an international reputation for his work in forensic assessment and risk evaluation, with experience spanning multiple jurisdictions and legal frameworks. His clinical and forensic practice has been carried out across psychiatric hospitals, high-security prison settings, and community-based services, providing him with a comprehensive perspective on risk, treatment, and rehabilitation across the full continuum of care.
His research and applied work emphasize evidence-based approaches to violence and sexual risk, r...
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Andrea N. Cimino, PhD, MSW, LMSW
Social Scientist | Expert in Gender-Based Violence
Baltimore, Maryland
Behavioral and Social Sciences, Social Work
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Intimate Partner Violence, Criminalized Survivors of Violence, Women’s Pathways to Prison, Gender-Based Violence, Intimate Partner Homicide Risk, Traumatic Brain Injury from IPV, Coercive Control, Violence Risk Assessment, Prostitution/Sex Work, Domestic Minor Sex Trafficking, Childhood Maltreatment, LGBTQIA+ Populations
I am a nationally recognized social scientist and licensed master social worker (LMSW) with over 15 years of experience conducting interdisciplinary research on intimate partner violence, gender-based violence, sex trafficking, trauma, and the criminalization of survivors, including work with LGBTQIA+ populations. My work emphasizes trauma-informed, social and behavioral responses to explain survivor behavior, risk trajectories, and decision-making in high-stakes contexts. I have authored more than 60 peer-reviewed publications and served as Principal Investigator or Co-Investigator on over $9 million in funded research.
As a social worker by training with advanced interdisciplinary violence research training at Johns Hopkins University, I bring expertise grounded in both empirical research and practice-informed understanding of violence, trauma, and systems response. My approach integrates social science, public health, and trauma-informed frameworks to examine the health, mental...
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Philip Saragoza, MD
Forensic Psychiatrist - Threat Assessment
Philip Saragoza, MD
ANN ARBOR, Michigan
Forensic Psychiatry, Risk Management
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Behavioral threat assessment, Fitness for duty evaluation, Conservatorship, Violent Extremism, Workplace and campus violence, Undue influence, Medical malpractice, Violence risk assessment, Testamentary capacity, Stalking, Psychiatric disability, Guardianship, Intimate Partner Violence
I am a board certified forensic psychiatrist licensed in MI, CA, TX, IA and IL, and participate in the Interstate Medical Licensure Compact. I specialize in behavioral threat assessment, fitness for duty and psychiatric disability in workplace and higher education settings, working as both an evaluator and consultant. I have assisted a wide range of corporations and public/government agencies, including many Fortune 500 companies, as well as colleges and universities across the U.S., working closely with legal counsel. I have published in forensic psychiatry, threat assessment, workplace and campus violence prevention, extremism, and other subjects, and frequently deliver presentations and trainings on these subjects to academic and professional audiences. I have extensive teaching and supervisory experience and hold an adjunct academic appointment at the University of Michigan. In addition, I have served as an expert evaluator and witness in cases concerning questions of incapacita...