Daniel A. Martell, PhD, ABPP
Newport Beach, CA 92663
Daniel Martell, PhD, ABPP, has consulted on hundreds of forensic cases across the country over the past 35 years, including Criminal, Civil, and Elder Law issues. His expertise centers on dangerousness assessments and forensic evaluations in cases involving brain damage, claims of mental disability, claims of psychological trauma from sexual harassment, and suspected malingering. He testifies frequently in cases throughout the United States.
Dr. Martell is a board-certified forensic psychologist and a Fellow of the National Academy of Neuropsychology and the American Academy of Forensic Psychology. He serves as Clinical Faculty at the Semel Institute for Neuroscience and Human Behavior at the David Geffen School of Medicine at UCLA. He is a Past President of the American Academy of Forensic Sciences.
Dr. Martell graduated cum laude with a degree in psychology from Washington and Jefferson College and earned his Master and PhD degrees in Clinical Psychology at the University of Virginia. During his graduate training at Virginia, he studied at the School of Law and the Institute of Law, Psychiatry and Public Policy, developing his interests in Clinical Psychology and the Law.
Dr. Martell served his clinical internship at Bellevue Hospital and New York University (NYU) Medical Center in New York City, where he specialized in forensic neuropsychology at the Kirby Forensic Psychiatric Center (a maximum-security hospital for mentally disordered offenders). After internship, he was awarded a Fellowship in Forensic Psychology at NYU/Bellevue and Kirby Forensic, during which time he completed advanced training in Forensic Neuropsychology. Dr. Martell served as Clinical Assistant Professor of Psychiatry at NYU School of Medicine, Forensic Research Scientist at the Nathan S. Kline Institute for Psychiatric Research, and Director of the Forensic Neuropsychology Laboratory at Kirby Forensic Psychiatric Center.
Dr. Martell has authored over 150 scientific journal articles and research presentations at national conferences. He was awarded a research grant from the National Science Foundation to study violent criminal behavior among homeless individuals with mental illness. Dr. Martell received the 1991 Fellowship Research Award from the Psychiatry and Behavioral Sciences section of the American Academy of Forensic Sciences for his work on brain damage and violence.
Dr. Martell has been a Forensic Expert with Park Dietz & Associates since 1990.
- Brain Injury
- Competency
- Fitness for Duty Evaluation
- Forensic Psychiatry
- Malingering
- Neuropsychology
- Sanity/Competency to Stand Trial
- Sexual Harassment/Discrimination
- Testamentary Capacity
- Undue Influence
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A:
• PhD, Research in Clinical Psychology, Behavioral Science and the Law – The University of Virginia, Charlottesville, VA
• MA, Clinical and Community Psychology – The University of Virginia, Charlottesville, VA
• BA, cum laude, Psychology – Washington and Jefferson College, Washington, PA
Licensure and Certifications:
• Board Certified in Forensic Psychology – American Board of Forensic Psychology, American Board of Professional Psychology
• Licensed Clinical Psychologist – New York State
• Licensed Clinical Psychologist – State of California
• Examiner – State of New York Workers’ Compensation Board
• Certified New York State Medicaid Provider
- Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A:
• American Academy of Forensic Psychology, Fellow
• National Academy of Neuropsychology, Fellow
• American Academy of Forensic Sciences, Fellow and Past President
• Forensic Sciences Foundation
• American Academy of Clinical Neuropsychology, Affiliate Member
• Council of Scientific Society Presidents
• International Association of Forensic Sciences
• American Psychological Association, Member
• American Association on Intellectual and Developmental Disabilities, Member
• American Association for the Advancement of Science, Member
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A:
• Distinguished Fellow – UCI Center for Psychology and the Law, University of California, Irvine
• Clinical Faculty – UCLA Forensic Psychiatry Fellowship Program, Department of Psychiatry and Biobehavioral Sciences, Semel Neuropsychiatric Institute, David Geffen School of Medicine at UCLA
Dr. Martell has delivered over 100 invited lectures and presentations at national and international meetings on forensic topics such as testamentary capacity and undue influence issues.
- Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: On how many occasions have you been retained as an expert?
- A: Several hundred
- Q: For what area(s) of expertise have you been retained as an expert?
- A: Forensic Psychology, Forensic Neuropsychology
- Q: In what percentage of your cases were you retained by the plaintiff?
- A: 40%
- Q: In what percentage of your cases were you retained by the defendant?
- A: 60%
- Q: On how many occasions have you had your deposition taken?
- A: 40–50
- Q: When was the last time you had your deposition taken?
- A: July 2024
- Q: On how many occasions have you been qualified by a court to give expert testimony?
- A: Hundreds
- Q: On how many occasions have you testified as an expert in court or before an arbitrator?
- A: Hundreds
- Q: For how many years have you worked with the legal industry as an expert?
- A: 35 years
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Psychological, Neuropsychological, and Specialized Forensic Testing, Case Consultation, Document Review, Report Writing, Expert Testimony
- Q: What is your hourly rate to consult with an attorney?
- A: Hourly rates are the same for all activities and are available on request.
- Q: What is your hourly rate to review documents?
- A: Hourly rates are the same for all activities and are available on request.
- Q: What is your hourly rate to provide deposition testimony?
- A: Hourly rates are the same for all activities and are available on request.
- Q: What is your hourly rate to provide testimony at trial?
- A: Hourly rates are the same for all activities and are available on request.
- Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
- A: Travel expenses and other expenses specified in the engagement letter or contract.
Available Upon Request