Psychology Expert Witnesses and Consultants
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Experts in the science of mental processes and behavior. Specialties can include post-traumatic stress disorder, sexual harassment/molestation, learning disabilities and personal injury.
The listings below are all Psychology expert witnesses and consultants.
Expert ListingsGeneral and Forensic Psychiatry
Pogos H. Voskanian, MD
Board-certified in Psychiatry and Forensic Psychiatry. Forensic Psychiatric Evaluations, Consultations, and Expert Testimony. Civil and Criminal. Plaintiff or Defense.
Williams Forensic Mental Health Services
Martin H. Williams, Ph.D.
San Jose, CA
Forensic psychologist with over 40 years of licensed experience. Sworn testimony over 200 times in civil, criminal, immigration, security clearance, and licensing board cases. Evaluation of emotional damages in civil suits, standard of care testimony, insanity defense and restoration of sanity. Fitness for duty evaluations.
Psycholegal Assessments Inc.
Steven Gaskell, Psy.D.
Psycholegal Assessments Inc. provides expert forensic psychological evaluations and expert witness testimony in a variety of specialty areas including competency to stand trial, criminal responsibility, malingering, sex offender evaluations, child pornography evaluations and IMEs. Dr. Steven Gaskell has over 18 years experience as a forensic psychologist, has completed over 2000 psychological evaluations for the courts, and has provided expert testimony on over 130 occasions.
L. Mayer MD/EPD
Dana Point, CA
Dr. Mayer is an independent consultant and scholar that holds the position of Visiting Fellow, Program in Integrative Knowledge and Human Flourishing, Harvard University. He has been a full-time tenured professor with appointments in statistics, biostatistics, epidemiology, biomedical informatics, public health and medicine (psychiatry). He held various titles including Professor at Arizona State University, (Part-time) Professor, Bloomberg School of Public Health and School of Medicine, Johns Hopkins University, and Affiliated Professor of a Mayo Clinic/ASU joint program in Biomedical Informatics, and a member of the Research Staff at Mayo Clinic. He continues to do research and mentor young physicians and medical students while doing a limited amount of consulting in epidemiology, biostatistics, statistics, epidemiology and clinical trials. His consulting projects often focus on model development, execution and inferences. He is one of the few MD/PhD biostatistician-epidemiologists. He now resides in Dana Point, California. He has worked on a wide range of problems in a variety of specialties in Public Health and Medicine. The common component of most of these problems is that there is a data set to analyze or, more commonly, there are statistical studies to be reviewed and evaluated. These include clinical trials, observational studies, and statistical reviews such as meta-analyses. About a third of his consulting is for industry and interest groups outside of litigation. He prides himself on being able to communicate complex ideas in simple language. His primary interests are the evaluation of epidemiological and statistical data and models in a clinical, regulatory, or legal arena. Dr. Mayer has worked on problems in injury causation, drug development and evaluation, product liability, patent disputes, occupational and environmental exposures, and medical malpractice. He has worked on data and analyses in numerous specialties including toxicology, internal medicine (cardiology, endocrinology, etc.) Ob/Gyn, psychiatry, and surgery and has a preference towards problems that are complex.
Sanjay Adhia, M.D. Forensic Psychiatrist
Dr. Adhia is triple Board-Certified in Forensic Psychiatry, Brain Injury Medicine and Psychiatry consulting in civil, criminal and probate cases and testifying as needed. Recent cases include competency complicated by alcoholism with liver failure, transplant ineligibility and delusions in the question of competency; date rape (DFSA) drugs; malpractice regarding medication; matricide; medical malpractice between treater and patient; PTSD in victims of human trafficking. Dr. Adhia is skilled in diagnosis, prognosis, and treatment plans for anxiety and depression disorders, PTSD, medication, drug, and alcohol addiction.
Dr. Adhia is one of about ten Forensic Psychiatrists who is also board-certified in Brain Injury Medicine.
Dr. Adhia currently provides psychiatric treatment to those with Brain Injury, Stroke and Spinal Cord Injury at a renowned neurological rehabilitation center. Previously, he served as the Medical Director of a clinic that provided treatment to psychiatric and Substance Use Disorder patients. Dr. Adhia has conducted evaluations and treatment in a maximum-security correctional facility requiring his skill in diagnosing and treating addiction, severe psychotic disorders, mood disorders and Impulse disorders; he treated psychosis with hallucination and delusional disorders, schizophrenia. Psychiatric conditions among offenders were often combined with drug and/or alcohol addiction.
Dr. Adhia serves on the faculties of University of Texas Health and Science Center. In the past he was on the faculty of the University of Texas Medical Branch Department of Psychiatry.
In 2019, Dr. Adhia was appointed by the Governor of Texas to the Governor’s Advisory Committee to the Texas Board of Criminal Justice on Offenders with Medical or Mental Impairments.
Dr. Adhia conducts forensic evaluations with Physicians for Human Rights Asylum Network assessing victims of human trafficking, kidnapping, false imprisonment and undue influence. His skill in diagnosing PTSD is an asset in this setting.
Dr. Adhia is experienced in institutional standards of care and medical malpractice in hospital and institutional settings with application to private treatment, rehab or senior care.
Behavioral Health Strategies, Inc.
J. Harold Berberick, Ed.D.
Dr. Berberick is highly experienced as a senior manager in the fields of Mental Health, Community Mental Health, Behavioral Health, Managed Care and Mental Retardation. He has over 35 years of experience in the field, has worked in both the public and private sectors and has managed large systems of Mental Health and Mental Retardation care in New York and Massachusetts.
Persona Neurobehavior Group
Marcel Ponton, Ph.D., QME
South Pasadena, CA
Associate Clinical Professor, Department of Psychatry, UCLA. Licensed Clinical Psychologist. Clinical Neuropsychologist; extensive experience in the assessment and treatment of head injury and physical trauma. Testimony: 130+ depositions; 30+ @ trial
Forensic Psychiatric Associates LLC
Alberto M. Goldwaser, M.D., D.L.F.A.P.A
Dr. Alberto M. Goldwaser is a Diplomate of the American Board of Psychiatry and Neurology, in General Psychiatry and in Forensic Psychiatry. He has been named as a "Distinguished Life Fellow" of the American Psychiatric Association - a special distinction "for exceptional contributions to the community and the profession of psychiatry." Dr. Alberto M. Goldwaser has conducted Civil, Criminal, Military, and Administrative Forensic Psychiatric Examinations in many states. He offers Independent Medical Examinations and Testimony for Plaintiff and Defense.
Bonny J. Forrest, JD, Ph.D.
San Diego, CA
I am a psychologist and attorney with specialized training in neuropsychology. I have substantial research and teaching experience in academic settings, and I devote most of my time to clinical work that involves the assessment and treatment of a wide range of mental health issues. After post-doctoral work at Yale, Columbia and the National Institute of Mental Health, I directed clinics serving large populations as well as conducting my own private practice.
Edward Abramson, Ph.D.
Dr. Abramson is Professor Emeritus of Psychology at California State Univrsity, Chico and currently an Instructior at the University of California Berkeley Extension. At CSU Chico he taught both graduate and undergraduate courses in psychopathology in addition to supervising group counseling practica and graduate student thesis research. Dr. Abramson was a Visiting Professor of Psychiatry and Psychology at the United Medical and Dental School, University of London, England.
Texas Behavioral Health Associates, PLLC
Dr. Roger Vazquez
Dr. Roger Vazquez holds a bachelors in psychology from The University of Texas, a masters in clinical psychology from Texas A&M University - Corpus Christi, and a Ph.D. in counselor education and supervision from Texas A&M University - Corpus Christi.
Dr. Vazquez is a Licensed Professional Counselor and Licensed Chemical Dependency Counselor in the state of Texas, a Certified Anger Resolution Therapist, and is nationally certified as a Human Services - Board Certified Practitioner. Dr. Vazquez has worked in various mental health and substance abuse settings and completed his doctoral dissertation on substance abuse treatment.
In academia, Dr. Vazquez has taught psychology and mental health counseling courses at the undergraduate and graduate level, including teaching masters-level courses in alcohol and drug addiction, psychopathology, psychodiagnosis and treatment, psychometrics, marriage and family systems and treatment, group counseilng, and multicultural counseling.
Dr. Vazquez has served as an expert witness in civil and criminal cases, on behalf of plaintiffs and defendants, and in both state and federal courts. Dr. Vazquez has experience in general litigation consultation, psychological interviewing and evaluation, expert witness report writing (including Rule 26 reports), and courtroom testimony. Uniquely, Dr. Vazquez served as the jury foreman on a complex double homicide trail, giving him the added perspective a juror and jury foreman.
Rose Porterfield Group, Inc
Bob Rose, PhD
Dr. Bob Rose and Dr. Robyn Porterfield of RPG, consult to business in all aspects of work-related behavior, including assessment and coaching. As part of their practice they serve as experts and have supported both plaintiff and defendant.
Michael J. Perrotti, PhD., Inc.
Assistant Clinical Professor, USC (2005-2006); Court Certified expert in neuropsychology, eyewitness ID, false confession Expert Reviewer, California Board of Psychology, Enforcement Division Assessment of sex offenders and child sexual abuse allegations; Expert analysis of child investigative interviews; Expert analysis of brain injury and formulation of treatment plants; Expert on standard of care; Expert in analysis of alleged police misconduct
Monica Argumedo, M.D., Forensic Psychiatrist
Park Ridge, IL
Monica M. Argumedo, M.D. is a Board-Certified Forensic and Clinical Psychiatrist (ABPN) in practice for over 10 years. Dr. Argumedo has testified about her forensic opinions in more than 40 cases in open court. The focus of her practice is Fitness for Duty, Competency, Employment Litigation and high security or safety-sensitive employee evaluations including first responders. Most of Dr. Argumedo's forensic opinions are rendered in cases that settle without need for a trial. Dr. Argumedo is also Assistant Professor of Psychiatry at Rush University Medical School/Rush University Medical Center as Assistant Professor in Psychiatry. She teaches psychiatry residents in topics related to psychiatry and the law, and psychiatry in medicine. She also serves on the Medical Admissions Committee.
Forensic Psychiatric Associates Medical Corp.
Mark I. Levy, MD, DFAPA
Mill Valley, CA
Diplomate of the American Board of Psychiatry and Neurology, with subspecialty in Forensic Psychiatry. Columbia Univ. College of Physicians and Surgeons; Asst. Clinical Prof. of Psychiatry, UCSF; Founding Chairman, SF Foundation for Psychoanalysis.Has testified at trials, State and Federal, on 26 occasions and been retained as a medical legal consultant in more than 250 cases.
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