Our Team

Daniel A. Martell, Ph.D. 


Dr. Martell is a forensic neuropsychologist for TAG and for the forensic litigation consulting firm of Park Dietz & Associates. Dr. Martell’s specialized experience in risk assessment among the mentally ill is particularly valuable in conducting fitness for duty evaluations. He is Assistant Clinical Professor of Psychiatry and Biobehavioral Sciences at the UCLA School of Medicine. His work for Park Dietz & Associates 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 U.S.

Dr. Martell graduated cum laude with a degree in psychology from Washington and Jefferson College and earned his Master’s and Ph.D. 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 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, all in New York.

Dr. Martell holds memberships in the American Psychological Association, the American Psychology-Law Society, the American Academy of Forensic Sciences, the American Society of Criminology, the American Association for the Advancement of Science, and the National Academy of Neuropsychology. He has authored over 50 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 the homeless mentally ill. 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.


Bill Irwin            Our Team            Jana Monroe