Insanity Defense Expert Witnesses

Insanity defense 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 insanity defense. The insanity defense expert witness listings on this page are typically from fields/areas of expertise such as: Forensic Psychiatry, Forensic Psychology, Psychiatry, and Psychology.

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Dana R Anderson

Forensic Psychologist & Expert Witness

California Forensic Psychology

Los Angeles, California
Forensic Psychology, Psychology - threat assessment, malingering, serial killers, Schizophrenia, Bipolar disorder, homicide, PTSD, feigning, kidnapping, stalking, murder, strangulation, child custody, family law, domestic violence, Antisocial Personality Disorder, Psychopathy, risk assessment, Insanity defense, sex offenders
Dr. Anderson is a distinguished forensic psychologist with over a decade of experience delivering expert testimony in criminal, civil, and family law cases. Her extensive expertise in malingering, deception, and severe mental illness offers attorneys and courts the critical insights needed to navigate the most complex psychological evaluations. Widely recognized for her specialization in high-stakes legal cases, Dr. Anderson is frequently retained for high-profile evaluations. Utilizing clinical and forensic psychopathology assessments, she is trusted by both defense and plaintiff teams to provide impartial and impactful evaluations. As the host of the acclaimed podcast Killer Psychologist, Dr. Anderson examines the psychological forces driving criminal behavior and unpacks the complexities of the justice system. Her expertise has been featured on Fox Nation, Investigation Discovery, and Nancy Grace, solidifying her reputation as a leading authority in forensic psychology. Renowned...
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Alan Chen, M.D.

Forensic Psychiatrist, USC Faculty

Alan Chen, M.D. P.C.

Pasadena, California
Psychiatry, Forensic Psychiatry - Trauma, Bipolar Disorder, PTSD, Psychotherapy, Competency, Capacity, State of Mind, Insanity Defense, Mental Health Diversion, Criminal Intent, Mitigation, Undue Influence, Standard of Care, Case Merit Review, Diagnosis, Psychopharmacology, Personality Disorders, Psychoanalysis
Faculty at the University of Southern California training programs for General Psychiatry and Forensic Psychiatry. Lecturer and clinical supervisor at multiple institutions for psychiatry, forensic psychiatry, and psychotherapy. Consultant to the Los Angeles County Superior Court and Mental Health Court (Approved Panel of Psychiatrists). Balanced, detailed, and trusted reports for issues including mental health diversion, insanity defense, mitigation, standard of care, testamentary capacity, undue influence. Clinical practice with the Los Angeles County Department of Mental Health, serving medically and psychiatrically complex patients. General and Forensic Psychiatry, Board Certified (ABPN). Out-of-state consultation available, also licensed in the State of Ohio.
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Steven Gaskell, Psy.D.

Forensic Psychological & Psychosexual Evaluations

Psycholegal Assessments

Florida
Forensic Psychology - Competency to stand trial, insanity defense, Criminal responsibility, Psychosexual evaluations, Mitigating factors psychological evaluations, Independent Medical Exams (IMEs), Miranda rights issues, Sex offender risk assessment, Sexually Violent Persons, Sexually Dangerous Persons, Adam Walsh Act
Forensic Psychologist, Dr. Steven Gaskell provides objective, credible, comprehensive, and thorough forensic psychological evaluations for state and federal courts. He has over 20 years of extensive expertise as an expert witness in forensic psychology, has completed over 2700 forensic psychological evaluations and given expert witness testimony on over 185 occasions. Dr. Gaskell is credentialed by the National Register of Health Service Providers in Psychology and he is license eligible in all 50 states. Dr. Gaskell is currently a licensed psychologist in Illinois, Georgia, Florida, Arizona, and Kansas. See more at https://psycholegalassessments.com/ Psycholegal Assessments, Inc. is committed to providing expert psychological evaluations to attorneys, courts, along with expert witness testimony in a variety of forensic psychology specialty areas. Written psychological evaluations and psychosexual evaluations are comprehensive and focus on the psycholegal issues at question. These...
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Kenneth E DiNella, MD

Kenneth E. DiNella, MD, LLC

Americus, Georgia
Psychiatry - Child custody, emotional injury, competency to stand trial, insanity defense, will contests, psychiatric malpractice, Post traumatic stress disorder (PTSD), fitness for duty, psychopharmacology, child abuse, sexual harassment, guardianship, conservatorship, undue Influence, malingering, psychiatric
Duke trained, board certified psychiatrist with over 22 years professional experience, including chief of staff and medical director. Experienced expert witness in child custody, civil and criminal matters. Completed SEAK expert witness training courses. Teaching experience at Duke University Medical Center. Former Chief Outpatient Resident at Duke’s Psychiatric Residency program. Magna Cum Laude graduate (psychology major) of Vanderbilt.
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Steven Gaskell, Psy.D.

Forensic Psychological & Psychosexual Evaluations

Psycholegal Assessments

Georgia
Forensic Psychology - Competency to stand trial, insanity defense, Criminal responsibility, Psychosexual evaluations, Mitigating factors psychological evaluations, Independent Medical Exams (IMEs), Miranda rights issues, Sex offender risk assessment, Sexually Violent Persons, Sexually Dangerous Persons, Adam Walsh Act
Forensic Psychologist, Dr. Steven Gaskell provides objective, credible, comprehensive, and thorough forensic psychological evaluations for state and federal courts. He has over 20 years of extensive expertise as an expert witness in forensic psychology, has completed over 2700 forensic psychological evaluations and given expert witness testimony on over 185 occasions. Dr. Gaskell is credentialed by the National Register of Health Service Providers in Psychology and he is license eligible in all 50 states. Dr. Gaskell is currently a licensed psychologist in Illinois, Georgia, Florida, Arizona, and Kansas. See more at https://psycholegalassessments.com/ Psycholegal Assessments, Inc. is committed to providing expert psychological evaluations to attorneys, courts, along with expert witness testimony in a variety of forensic psychology specialty areas. Written psychological evaluations and psychosexual evaluations are comprehensive and focus on the psycholegal issues at question. These...
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Steven Gaskell, Psy.D.

Forensic Psychological & Psychosexual Evaluations

Psycholegal Assessments

Naperville, Illinois
Forensic Psychology - Competency to stand trial, insanity defense, Criminal responsibility, Psychosexual evaluations, Mitigating factors psychological evaluations, Independent Medical Exams (IMEs), Miranda rights issues, Sex offender risk assessment, Sexually Violent Persons, Sexually Dangerous Persons, Adam Walsh Act
Forensic Psychologist, Dr. Steven Gaskell provides objective, credible, comprehensive, and thorough forensic psychological evaluations for state and federal courts. He has over 20 years of extensive expertise as an expert witness in forensic psychology, has completed over 2700 forensic psychological evaluations and given expert witness testimony on over 185 occasions. Dr. Gaskell is credentialed by the National Register of Health Service Providers in Psychology and he is license eligible in all 50 states. Dr. Gaskell is currently a licensed psychologist in Illinois, Georgia, Florida, Arizona, and Kansas. See more at https://psycholegalassessments.com/ Psycholegal Assessments, Inc. is committed to providing expert psychological evaluations to attorneys, courts, along with expert witness testimony in a variety of forensic psychology specialty areas. Written psychological evaluations and psychosexual evaluations are comprehensive and focus on the psycholegal issues at question. These...
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Raveendra B Suryadevara, MD

Post Traumatic Stress Disorders, Personal injury

Las Vegas, Nevada
Forensic Psychiatry, Psychiatry - Testamentary Capacity, Contested Wills, Insanity Defense, Death Penalty, Competency to stand trial, PTSD, Post Traumatic Stress Disorder
I am a Diplomate, American Board of Psychiatry & Neurology in PSYCHIATRY I am a Diplomate, American Board of Psychiatry & Neurology in FORENSIC PSYCHIATRY I am licensed to practice Medicine in the States of Nevada, New Mexico, North Carolina I had many years of experience in treating Mental Disorders at the Department of Veterans Affairs Medical Centers I had 11 years of experience at VAMC, Las Vegas in conducting Compensation & Pension Examinations on the Veterans who claimed various mental Disorders related to their Military Service. Major Portion of these Examinations were for the claims of POST TRAUMATIC STRESS DISORDERS from Combat, Traumatic Brain Injuries, and Sexual Assaults. Other claims included Bipolar Disorders, Major Depressive Disorders. In the past, I had experience with the trials in the Court Rooms for Involuntary Hospitalizations in the States of Iowa, Mississippi, North Carolina, Florida and in the Country of New Zealand. Those experiences with the Court Room...
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Dana R Anderson

Forensic Psychologist & Expert Witness

California Forensic Psychology

Nevada
Forensic Psychology, Psychology - threat assessment, malingering, serial killers, Schizophrenia, Bipolar disorder, homicide, PTSD, feigning, kidnapping, stalking, murder, strangulation, child custody, family law, domestic violence, Antisocial Personality Disorder, Psychopathy, risk assessment, Insanity defense, sex offenders
Dr. Anderson is a distinguished forensic psychologist with over a decade of experience delivering expert testimony in criminal, civil, and family law cases. Her extensive expertise in malingering, deception, and severe mental illness offers attorneys and courts the critical insights needed to navigate the most complex psychological evaluations. Widely recognized for her specialization in high-stakes legal cases, Dr. Anderson is frequently retained for high-profile evaluations. Utilizing clinical and forensic psychopathology assessments, she is trusted by both defense and plaintiff teams to provide impartial and impactful evaluations. As the host of the acclaimed podcast Killer Psychologist, Dr. Anderson examines the psychological forces driving criminal behavior and unpacks the complexities of the justice system. Her expertise has been featured on Fox Nation, Investigation Discovery, and Nancy Grace, solidifying her reputation as a leading authority in forensic psychology. Renowned...