California Competency Expert Witnesses

California Law & Legal Expert Witness Listings

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Expert Witnesses

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Featured Experts
Park Dietz (Park Dietz & Associates, Inc.)
PD&A offers forensic experts in psychiatry, psychology, neuropsychology, neurology, pathology, nursing, social work, criminal behavior analysis, police, corrections, security, and toxicology. For the 28 years we've been operating as a group we've consistently... Learn More ›

Sanjay G. Adhia, MD (Adhia & Associates, Forensic Psychiatry)
Dr. Adhia is a triple Board-Certified Forensic Psychiatrist based in Houston, TX. He testifies nationally. He is uniquely Board-Certified in Forensic Psychiatry and Brain Injury Medicine in civil, criminal, and military jurisdictions. Adolescent &... Learn More ›

Leonard J. Weiss, M.D. (Leonard J. Weiss, M.D., Psychiatry Austin, PLLC)
Dr. Weiss is Board-Certified in Forensic Psychiatry, Psychiatry, Addiction Psychiatry, Internal Medicine, and Brain Injury Medicine based in Austin, Texas. He is uniquely qualified to address the complicated relationship between mental illness, physical... Learn More ›

Tyler E. Morrison, M.D., M.A.S. (Morrison Psychiatry)
Adult and child psychiatrist, double board-certified. Trained at top 4 psychiatry residency. Active clinical practice, treating adults and children. Experienced educator. Leader of forensic rotation, as well as psychopathology course, for UC San Diego’s... Learn More ›

Dale E. Panzer (Dale E. Panzer MD, Psychiatrist and Expert Witness)
Dale E. Panzer, M.D. is among the select few experts double-board certified in Psychiatry and Brain Injury Medicine. During his decades-long career, Dr. Panzer has served as a forensic evaluator and expert witness in high stakes, high-value litigation.... Learn More ›
Samuel Miles (Samuel I. Miles, MD, PHD)
Location: California
Areas of Expertise: Dr. Miles provides consultations, reports, and expert testimony to both plaintiffs and defendants in litigated civil and criminal matters. He has qualified as expert in state and federal courts to provide...
Michelle L. Vorwerk (Vorwerk Forensic Psychology, Inc.)
Location: California
Areas of Expertise: For more than 20 years, Dr. Vorwerk, Board-Certified Forensic Psychologist (ABPP), has conducted over a thousand evaluations and testified in hundreds of cases. She conducts psycho-legal assessments, neuropsychological...
Adam Bruno (Adam Bruno and Associates)
Location: California
Areas of Expertise: Dr. Adam Bruno is a licensed educational psychologist and a licensed marriage and family therapist. He has been working in the mental health field since 2006. Dr. Bruno specializes in the evaluation and...
Sasha Getty M.D., QME (Expedient Medicolegal Services)
Location: California
Areas of Expertise: Dr. Getty is a general adult psychiatrist certified by the American Board of Psychiatry and Neurology. He graduated from University of California Irvine School of Medicine and completed his residency training...
Martin H Williams (Williams Forensic Mental Health Services (Offices in Northern and Southern California))
Location: California
Areas of Expertise: Dr. Martin H. Williams has offices in San Jose, Los Angeles, Orange County, Sacramento and San Diego. He has never failed to qualify as an expert in any Criminal, Civil or Administrative matter. He is...
Alice R Berkowitz (A Professional Psychology Corporation)
Location: California
Areas of Expertise: For over 20 years, Dr. Berkowitz has specialized in forensic psychology, neuropsychology and clinical/diagnostic assessment and court evaluations and trainings. She is a licensed Clinical Psychologist...
Walter E.B. Sipe, MD
Location: California
Areas of Expertise: Dr. Sipe, Board Certified in Psychiatry and Pediatrics, has an active outpatient psychotherapy and medication management practice serving adults and adolescents. He is on the clinical faculty at UCSF...
Gloria M Kardong (Gloria M. Kardong, MD, DLFAPA, DABPN)
Location: California
Areas of Expertise: Gloria M. Kardong, M.D. is a Board-Certified Psychiatrist who has been in full time private practice in Palo Alto, CA for the past 25 years. She is Adjunct Clinical Associate Professor of Psychiatry and...
Ronald H. Roberts, PhD, ABPP
Location: California
Areas of Expertise: Dr. Roberts has been working in the field of psychology for 49 years. He has been practicing forensic psychology and neuropsychology for 39 years and has been involved in over 4500 forensic cases. He has...
Sheryll M. Casuga, Psy.D. (Casuga Psychology Services, Inc.)
Location: California
Areas of Expertise: Dr. Sheryll Casuga is a California-Licensed Clinical Psychologist who serves an an autism and developmental disability expert. She has been in the field of autism since 2008. Dr. Casuga specializes in...
Matthew J Steiner (Expedient Medicolegal Services)
Location: California
Areas of Expertise: As a board certified psychiatrist and Diplomate of the American Board of Addiction Medicine, Dr. Steiner brings a broad range of experience and interests through his 11+ years of experience providing mental...
Andrew Levine, Ph.D., ABPP, QME (North Coast Neuropsychology)
Location: California
Areas of Expertise: Dr. Levine is a clinical neuropsychologist who is board-certified through the American Board of Professional Psychology. He has been involved in clinical and medico-legal practice and consultation since...
Morrison MedLegal (Morrison MedLegal Experts - Psychiatry and Radiology)
Location: California
Areas of Expertise: Morrison MedLegal is an expert witness group offering the services of trusted professionals in psychiatry and radiology. We are truth-seekers, committed to accurate and honest evaluations. -- Psychiatric...
Gary Freedman-Harvey
Location: California
Areas of Expertise: Dr. Freedman-Harvey, a California licensed psychologist, has 30 years of forensic and courtroom experience with litigation related to cognitive impairment in older adults. (See list of selected court trials...
Suzanne Dupee (Suzanne M. Dupee MD, Psychiatrist, A Professional Medical Corporation)
Location: California
Areas of Expertise: Dr. Dupee is a triple board certified forensic psychiatrist in General Psychiatry, Child & Adolescent Psychiatry, and Forensic Psychiatry. She trained at Cedar-Sinai, Los Angeles (psychiatry residency),...
Alisha Johnson (Bernatz Experts)
Location: California
Areas of Expertise: Dr. Alisha Johnson is the new proprietor and lead forensic psychologist at Bernatz Experts. Dr. Johnson received her doctorate degree at Pepperdine University, and has flourished in her career at Metropolitan...
Debra S Borys, Ph.D., FABPF (Forensic & Clinical Psychologist)
Location: California
Areas of Expertise: Dr. Borys is a UCLA-educated forensic,clinical & health psychologist and diplomate in forensic psychology. She provides emotional damages assessment, case consultation on psych issues, lit review, & review...
Lauren Vickerman (Vorwerk Forensic Psychology, Inc.)
Location: California
Areas of Expertise: Dr. Vickerman is an experienced forensic psychologist with extensive expertise in conducting psycho-legal assessments addressing a number of issues through comprehensive and well-informed reports, case...
KyleeAnn Stevens, MD, DFAPA (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: KyleeAnn Stevens, MD, board certified in psychiatry and forensic psychiatry, is a skilled forensic psychiatrist with extensive experience as an expert witness and as a health system administrator. She...
James Armontrout, MD (Forensic Psychiatric Associates, L.P.)
Location: Multiple Locations
Areas of Expertise: Dr. Armontrout is a forensic psychiatrist who is a member of Forensic Psychiatric Associates Medical Corp (www.fpamed.com) a national forensic psychiatric and psychological consulting practice. Dr....
Jorien Campbell, MD (Forensic Psychiatric Associates, L.P.)
Location: Multiple Locations
Areas of Expertise: Dr. Jorien Campbell graduated from the University of Wisconsin, Madison with a Bachelor of Science in Biology and received her Doctor of Medicine degree from Albert Einstein College of Medicine. She completed...
Charles Saldanha, MD, FAPA (Forensic Psychiatric Associates, L.P.)
Location: Multiple Locations
Areas of Expertise: Dr. Saldanha is a forensic psychiatrist who is a member of Forensic Psychiatric Associates Medical Corp (www.fpamed.com) a national forensic psychiatric and psychological consulting practice. Charles...
Bennett Blum, MD (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: Bennett Blum, MD is an internationally acclaimed physician specializing in both forensic and geriatric psychiatry. An expert on the detection and impact of psychological manipulation tactics used by offenders...
Ciaran M. Considine, PhD, ABPP-CN (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: Ciaran Michael Considine, PhD, ABPP-CN, is an Associate Professor of Neurology at Vanderbilt University School of Medicine and a board-certified clinical neuropsychologist within the associated Vanderbilt...
Lawrence Belcher, MD (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: Lawrence Belcher, MD—board-certified in adult and forensic psychiatry—is a Forensic Psychiatric Expert with Park Dietz & Associates. Harvard-trained and a former faculty member of Harvard Medical School,...
Kevin B. Nowrangi, MD (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: Kevin Nowrangi, MD, is a board-certified psychiatrist with sub-specialized training in child and adolescent psychiatry as well as forensic psychiatry. Dr. Nowrangi has many years of experience assessing...
Ayesha Ashai, MD (Forensic Psychiatric Associates, L.P.)
Location: Multiple Locations
Areas of Expertise: Dr. Ashai has performed numerous civil and criminal forensic psychiatric evaluations and has been qualified as an expert in the field of psychiatry in the Sacramento Superior Court. She has extensive training...
Tyler M Durns, MD (Forensic Psychiatric Associates, L.P.)
Location: Multiple Locations
Areas of Expertise: Dr. Tyler Durns graduated with Honors from the University of Arizona with a Bachelor of Science in Molecular and Cellular Biology and minors in Psychology and Chemistry. He then went on to earn his Medical...
Daniel A. Martell, PhD, ABPP (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: 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...
ForensisGroup, Inc. (The Expert of Experts)
Location: Multiple Locations
Areas of Expertise: For over 30 years, ForensisGroup has provided the nation’s top law firms, businesses, insurance companies, government entities with highly qualified expert witnesses and consultants. Experts referred by...
Consolidated Consultants
Location: Multiple Locations
Areas of Expertise: Consolidated Consultants (CCc) continues to deliver high quality expert witness and medical expert witness referrals nationwide since 1995. CCc is the only referral service where you can view the full,...
Mark I. Levy, MD, DLFAPA (Medical Director of Forensic Psychiatric Associates, L.P., a nationwide expert witness firm)
Location: Multiple Locations
Areas of Expertise: Forensic Psychiatric Associates, L.P. (fpamed) is a national consulting firm with offices in California, Nevada and North Carolina assisting litigating attorneys. The firm includes 15 board certified forensic...
Renée Sorrentino, MD (Park Dietz & Associates, Inc., a nationwide, interdisciplinary forensic expert firm)
Location: Multiple Locations
Areas of Expertise: Renée Sorrentino, MD, one of the nation’s leading forensic psychiatrists, conducts evaluations and testifies in civil and criminal matters throughout New England. She holds medical licenses in California,...
American Medical Forensic Specialists
Location: Multiple Locations
Areas of Expertise: MEDICAL EXPERTS FOR MALPRACTICE & PERSONAL INJURY CASES AMFS is America's premier medical expert witness and consulting company. We are a trusted partner with the legal community and provide a superior method of retaining medical experts.
Competency FAQs

What is a competency expert witness?

A competency expert witness is someone who is able to provide testimony about a person's ability to understand and agree to contracts, capacity to make conscious decisions, and factual understanding. This expert may also be able to provide testimony about a person's mental state, mental health, and mental illness.

What is the role of a competency expert witness?

A competency expert witness is qualified to testify on issues on a person's capacity to make decisions, understand the consequences, and act in their best interest.

How much can a person make as a competency expert witness?

Competency expert witnesses can earn anywhere from $175 to $450 or more per hour, depending on the case. Experts usually receive compensation for travel time, and more for deposition and trial testimony.

What are the qualifications of a competency expert witness?

A competency expert witness can assess an individual's mental or physical capacity to make informed decisions or take certain actions.

In legal proceedings, how is evidence gathered by a competency expert witness?

A competency expert witness gathers evidence through interviews, psychological tests, and observations of the individual's behavior and abilities. This evidence is then presented in court to assist in determining the individual's competency.

In what type of cases might require opinions from a competency expert witness?

Competency expert witnesses may be required in cases involving mental illness, intellectual disability, dementia, or brain injury, where the defendant's ability to understand legal proceedings or assist in their own defense is in question.