Psychological Disability Evaluation Expert Witnesses: 21

Emin Gharibian, PsyD, is a Clinical Psychologist specializing in Forensic Psychology and Neuropsychology with over 10 years of experience in assessing, treating, and consulting on psychological disorders.

Dr. Gharibian's training and experience have been in psychological and neuropsychological assessments in a variety of clinical settings including private practice, outpatient mental health clinics, psychiatric hospitals, forensic hospitals, and correctional facilities. 

He specializes in providing comprehensive psychological and neuropsychological evaluations for various conditions including dementia, Alzheimer’s disease, complications from a stroke, traumatic brain injury, concussions, learning disabilities, ADHD, and PTSD.

He also specializes in forensic psychological and neuropsychological evaluations for immigration hearings, mental health diversion and mitigation, testamentary capacity, competency to stand trial, personal injury, worker's compensation, and fitness for duty. He provides consultation services to personal injury and worker's compensation attorneys on psychological and neuropsychological-related matters.  He has also testified as an expert and served as a consultant for the defense and prosecution in state and federal court.

In addition to his private practice, he is a forensic psychologist for the California Department of Corrections and Rehabilitation. He conducts psychological evaluations to evaluate patients for violence risk and determine if they meet the criteria to be committed to a state hospital, write court reports, and testify in court as an expert witness.

Dr. Gharibian has been appointed to the Los Angeles Juvenile Court Expert Witness Panel. He is also a member of the National Academy of Neuropsychology and the American Psychology and Law Society.

Areas of Forensic Expertise:

Dr. Ernst specializes in Post-Traumatic Stress Disorder, Competency/Capacity evaluations, Mitigation evaluations, and Employment Evaluations. He is an Assistant Clinical Professor in the UCSF Department of Psychiatry and one of fewer than 35 psychologists in California who have undergone the rigorous examination process necessary to obtain Board Certification in Forensic Psychology. As a trauma expert, Dr. Ernst chose to complete an additional year of fellowship training in PTSD at the San Francisco Veterans Hospital. 

Having completed over 350 forensic evaluations, Dr. Ernst is frequently retained to conduct a diverse range of civil and criminal evaluations including, but not limited to, mitigation evaluations (juvenile & adult), competency/capacity evaluations, personal injury evaluations, mental state at the time of the offense evaluations, violence risk assessment, and employment evaluations. He is currently a Qualified Medical Evaluator for the California Department of Industrial Relations and serves as a member of the Criminal Panel for Psychological and Psychiatric Experts for multiple Superior Courts. Dr. Ernst's past professional experiences including providing treatment and expert testimony as a member of the medical staff of Napa State Hospital and completing VA forensic evaluations on veteran's alleging psychiatric injury from military trauma. 

Areas of Expertise:

View Dr. Ernst's Consulting Profile.

Sanjay Adhia, MD, MRO, is triple-Board-Certified in Psychiatry, Brain Injury Medicine, and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia has provided patient care in the Houston area. Currently, he treats patients at TIRR Memorial Hermann. His forensic practice focuses on the psychiatric impact of personal injury, medical malpractice, drug and alcohol abuse, sexual abuse, competency, violence, and complicating mental illness, as well as psychiatric disability. Dr. Adhia is among one of the few Forensic Psychiatrists who is also co-Board-Certified in Brain Injury Medicine. Often, Traumatic Brain Injury (TBI) can be a major factor in litigation as it can result in psychiatric or neurocognitive impairments. He has expertise in psychopharmacology, the medicine of medication. 

In addition, Dr. Adhia works with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. He is experienced in the treatment and impact of drug and alcohol abuse on decision-making. Dr. Adhia has also treated severe psychosis (Schizophrenia, hallucinations) and psychopathology. He was formerly treating patients at a Maximum Security Prison and prison psychiatric hospital. He has treated Opioid Use Disorders. 

Dr. Adhia’s findings consider complicating factors, such as emotional distress worsened by other active physical and mental conditions. Other factors are pre-existing mental and physical illness, competency, and capacity (e.g. dementia, Intellectual Disability.) As a physician, Dr. Adhia is uniquely qualified to review medical records and doctor reports. Institutional medicine, medical malpractice, and standard of care apply to both public and private facilities, including government, regulated correctional institutions, and psychiatric hospitals. Dr. Adhia is skilled in these med-legal issues. He conducts Independent Medical Examinations, review of records, and reports his med-legal findings and opinions. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.

Dr. Samuel Romirowsky, PhD is a Forensic Psychologist with over 30 years of clinical experience. He is licensed to practice in Delaware and Pennsylvania. Dr. Romirowsky is a member of the American Board of Forensic Examiners, Association of Family and Conciliation Courts, American Psychological Association, Pennsylvania Psychological Association, Delaware Psychological Association, and the Council for the National Register of Health Service Providers in Psychology. He received his Ph.D. from Columbia University in 1978 and has been in private practice since that time. Dr. Romirowsky provides expert witness testimony in civil and criminal litigations, industrial accident board litigations, social security administration hearings, child custody evaluations, and parent coordination mediations. He also offers psychological evaluation services for airmen with allegations of misuse of drugs or alcohol under Federal Aviation Administration guidelines. Dr. Romirowsky has served as an independent psychological evaluator and expert witness in hundreds of cases for both plaintiffs and defendants. 

Civil Litigation Services:

• Personal Injury & Workers Compensation
• Independent Psychological Evaluations
• Records Review
• Expert Witness Testimony
• Individual and Family Counseling
• Evaluations for Fitness to Return to Duty, Carry Firearms, Manage Personal Affairs
• Consultation with Attorneys on Case Strategy
• Evaluations to Rule Out Malingering
• Narrative Report by Request

Criminal Litigation:

• Psychological Evaluations of Defendants and Victims
• Competency and Pre-sentencing Evaluations
• Analysis of Child Advocacy Center and Child Protective Services Interviews
• Expert Witness Testimony

View Dr. Romirowsky's Consulting Profile.

Ray S. Kim, Ph.D., is a Licensed Clinical Psychologist and Board Certified Forensic Psychologist. Dr. Kim is also a Board Registered Mental Illness / Substance Abuse Provider, Diplomate of the American Psychotherapy Association, Diplomate of the American Board of Psychological Specialties, Fellow of the American College of Forensic Examiners Institute, and Fellow of the American College of Advanced Practice Psychologists. 

Dr. Kim is currently the Director of Chicago Metropolitan Forensic Services at the Illinois Department of Human Services where he supervises a team of clinical psychologists and social workers who evaluate the placement of individuals into forensic facilities. He also serves as the Director of Clinical Training at Chicago Metropolitan Forensic Services where he developed and supervises a forensic practicum program which provides opportunities for specialized clinical training in the area of forensic psychology. 

Litigation Support - Since 2010, Dr. Kim has testified in over 40 cases in both criminal and civil court proceedings. He is sensitive to the nature of legal matters, and provides comprehensive, timely, and professional services. Dr. Kim's services are available to attorneys or defendants seeking a qualified evaluator to help support a case, or wishing to obtain a second opinion on a legal matter already in progress. He is skilled in utilizing the field of psychology's most up-to-date assessments to provide recommendations for prosecution or defense teams. 

Areas of Expertise:

• Psychological Evaluations
• Pre-Sentencing Evaluations
• Sex Offender Evaluations
• Violence Risk Assessments
• Competency to Waive Miranda Rights
• Diminished Capacity
• Fitness for Duty Evaluations
• Substance Abuse Assessments
• Independent Medical Examinations (personal injury, workers' compensation, disability determination, malpractice)
• Detection of Malingering
• Federal Evaluations (competency to stand trial, criminal responsibility)

View Dr. Kim's Consulting Profile.

Dr. Pia Quimson-Guevarra is Board-Certified in Psychiatry and Forensic Psychiatry by the American Board of Psychiatry and Neurology. She has expertise in psychiatric issues in civil litigation, employment matters, and criminal cases. She also has additional and extensive experience with depression, anxiety, bipolar disorder, and severe psychotic disorders both as a treating physician and forensic consultant. Psychiatric conditions can impact judgment, clarity of thought, and even criminal responsibility. In the case of psychotic disorders, symptoms may include hallucinations and delusions. She opines about medication or drug impact on behavior.

Dr. Pia Quimson-Guevarra has conducted over 20 competency assessments: competency to stand trial and criminal responsibility evaluations. She is a certified forensic evaluator in Oregon.

Her work is divided between clinical and forensic/expert witness work. Dr. Quimson-Guevarra conducts medical and legal records review as a Forensic Psychiatrist, and medico-legal Independent Medical Evaluations by video and face-to-face, as appropriate. Her assessments are thorough and inform thoughtful and objective expert opinions issued by written report and testimony

Clinically, Dr. Quimson-Guevarra provides psychiatric patient care for a community mental health organization and in private practice.

At Cascadia Behavioral Healthcare, Dr. Quimson-Guevarra works on an Assertive Community Treatment (ACT) team, a method to deliver an intensive level of services to patients in the local community. Her patients consist of individuals who suffer from severe and persistent mental illness. Her expertise in treatment of Bipolar Disorder and Schizophrenia is applied to patients with these medical conditions. She also treats patients that have a history that includes forensic medical-legal issues.

Dr. Quimson-Guevarra has a private practice, Quimson Behavioral Health, providing clinical care, medication management, and psychotherapy, for patients who suffer from mental disorders such as Anxiety, Depression, ADHD, and PTSD.

Previously, she has treated patients who suffered from anxiety, mood, and psychotic disorders at Cedar Hills Hospital, Multnomah County Detention Center, Washington County Jail, Snake River Correctional Institute, and the Portland Veteran's Administration.

She continues to use her expertise in psychopharmacology to treat mental health conditions in the context of medically complex cases.

She has served as a forensic consultant for the Washington County mental health court in Oregon. She also has worked in the forensic evaluation service department at the Oregon State Hospital where she performed competency to stand trial and criminal responsibility evaluations to patients at the Oregon State Hospital or defendants located in various jails.

Steven Gaskell, Psy.D. is a Forensic Psychologist, license eligible in all 50 states, and licened in Illinois, Georgia, Florida, and Kansas. He has years of extensive experience providing a variety of Forensic Psychological Evaluations and testifying regarding a variety of legal issues. Dr. Gaskell has completed more than 2000 Forensic Psychological Assessments including over 1000 pre-trial Competency to Stand Trial or Fitness to Stand Trial and Criminal Responsibility (Insanity Defense) psychological evaluations and he has provided expert testimony these issues on numerous occasions. Competency to Stand Trial/ Fitness to Stand Trial Criminal Responsibility or Sanity at the Time of the Offense Mitigating Factors Assessment Miranda Rights Issues (voluntariness, competency to confess, interrogative suggestibility) Malingering and Deception Sexual Assault Allegations Sex Offender Evaluations Sexually Violent Person Evaluations Pedophilia Paraphilias Future Likelihood of Sexual Re-Offense

Leonard J. Weiss, MD, is a Forensic Psychiatrist with unparalleled qualifications, Board-Certified physician in six distinct and complementary disciplines applied to Medical-Legal questions:

Dr. Weiss has more than 40 years of experience as a physician. He has been in practice for more than 20 years as a Board-Certified Psychiatrist, Forensic Psychiatrist and Addiction Psychiatry specialist, preceded by more than 2 decades in Internal Medicine.

As an Addiction Psychiatry specialist, Dr. Weiss developed and served as Chief of the first Dual Diagnosis (Addiction) program at Michael Reese Hospital of the University of Chicago. He has served as Medical Director of Austin Lakes Hospital and taught residents at several renowned universities. 

Before pursuing his interest in psychiatry, Dr. Weiss practiced Internal Medicine in Michigan where he maintains a Medical License. He has treated patients in psychiatric practice in Chicago and Atlanta. In 2013 he relocated to Austin, Texas where he has a private clinical psychiatric practice, Psychiatry Austin.

Dr. Weiss graduated from Wayne State University Medical School and MIT (Mathematics), with residency training in Internal Medicine, Fellowship in Clinical Nutrition, and Psychiatry at, respectively, the University of Michigan Henry Ford Hospital, Memorial Sloan-Kettering Cancer Center in New York (Fellow) and Michael Reese Hospital in Chicago.

Litigation Support: Dr. Weiss has special training and experience in the application of psychiatric knowledge to legal issues, and works in areas where Mental Health and the Legal System overlap, such as Medical Malpractice and Standard of Care. He offers objective evaluations and psychiatric consultation in a wide variety of legal matters, including expert testimony, as well as clinical work with perpetrators and victims.

Dr. Weiss provides IMEs and expert opinions on mental health questions via written report, deposition, or courtroom testimony. He works with attorneys, courts, and other parties involved in actual or potential litigation. His research and assessment and his clinical practice cover areas such as:

Areas of Expertise:

Mustafa A. Mufti, MD, is a board certified general Adult Psychiatrist and Forensic Psychiatrist.  Presently, he serves as the Director of the Psychiatry Residency Training Program at Chrisitiana Care.  Prior to this he served as the Clinical Director of Forensic Services at Delaware Psychiatric Center.   During his time as the Clinical Director of Forensic Services, he oversaw Delaware’s only maximum-security forensic psychiatric service center. 

After graduating from medical school, Dr. Mufti worked as a clinical researcher at Emory University School of Medicine. As a researcher he worked on studies related to post traumatic stress disorder, depression and cardiovascular disease, transcranial magnetic stimulation, and deep brain stimulation. 

Dr. Mufti completed his residency training at the Delaware Psychiatric Center and went on to complete a fellowship in forensic psychiatry at the University of Pennsylvania. His work has been published in numerous reputable journals and he has presented at conferences nationally and internationally. In addition to his clinical and administrative responsibilities, Dr. Mufti is actively involved in the teaching of medical students, future psychiatrists, and forensic fellows in training.

Litigation Support - Dr. Mufti provides expert witness services for attorneys representing plaintiff and defendant. His services include medical record review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

• Competency to Stand Trial
• Mental State at the Time of the Offense
• Mental State for Death Penalty
• Disability
• Malpractice
• Testamentary Capacity
• Terrorism / Radicalization

View Dr. Mustafa A. Mufti's Consulting Profile.

Specialties & Experience

General Specialties: Psychiatry, Telepsychiatry, TeleHealth, Correctional Healthcare

Specialty Focus: Prisons & Jails, Wrongful Death, Suicide, Deliberate Indifference, Medical Malpractice, Gross Negligence, Addiction, Nursing Homes, Geriatric Psychiatry, Violence,  Telepsychiatry, Overdose, Involuntary Hospitalization

Education: MD, Northwestern University; Residency, Psychiatry, University of Cincinnati; Fellowship, Child/Adolescent, University of Cincinnati

Years in Practice: 30+

Additional Information:

• Board Certified actively practicing psychiatrist.  Northwestern Educated 
• Vast experience in disability and file review.
• Special interest in Telepsychiatry.  
• 30+ years of diverse clinical experience including telepsychiatry, locum tenens, private practice (treated over 20,000 outpatients and admitted over 10,000 patients to hospitals), correctional healthcare (Folsom and Pelican Bay State Prisons) and nursing homes.  
• Served as a psychiatric consultant to over 40 nursing homes.
• Experienced expert witness case reviewer.
• Experienced Independent Medical Examiner.
• President and Founder - MasteringTeleHealth.com (online training for clinicians and therapists)
• Licensed in California & Illinois  

Dr. Michael J. Perrotti, Ph.D., a member of the National Academy of Neuropsychology, specializes in Clinical and Forensic Psychology. He has over 30 years of experience with consumers, courts, and counsel including civil, prosecution, defense counsel, family court and the US Government. Dr. Perrotti contributes to the profession as an Expert Consultant for the State of California Board of Psychology, and the California Board of Behavioral Science Examiners and is certified by LA County System Court as an Expert Witness in Neuropsychology, eyewitness ID and false confession.

Dr. Perrotti was an Assistant Professor of Psychiatry & Behavioral Science at the Keck School of Medicine, USC (2005-2006), and conducted complex neuropsychological evaluations in USC. Dr. Perrotti possesses specialized training and has clinical and research interns. His practice is an approved internship site at UCLA. He also has expertise in the area of Assessment of Sexual Deviation and Evaluation of Child Sexual Abuse Allegations. His training, experience, and use of the Abel Assessment of Sexual Interest Computerized Test from the Abel Center in Atlanta, Georgia, enables him to add a state-of-the-art sophisticated tool for the evaluation of sexual offending. Dr. Perrotti has served as an expert witness for plaintiff and defense in personal injury and employment and workplace matters. Dr. Perrotti was awarded the Volunteer Services Award from the President's Volunteer Council as Service and Civic Participation, the White House. Dr. Perrotti is a member of the Orange County Sheriff's Reserve, Professional Services Division.

Services Include:

• Neuropsycholgical Assessment
• Sanity / Competency to Stand Trial Assessment
• Police Misconduct
• Suggestibility and False Confession
• Crime Scene Investigation in Report Formulation
• Sexual Predator Determination
• Effects of Psychotropic Medications on Confession
• Expert Neuropsychologist in Sexual Assault Trial
• Expert in Bonding Studies and False Confessions
• PTSD (acute and complex) in General, Law Enforcement, and Iraq War Veterans
• Panic Disorders and Phobias
• Custody Evaluation
• Severe Trauma in Children, Adolescents, and Adults

Dr. Jane K. McNaught, PhD is a locally and nationally recognized Forensic Psychological Expert specializing in Post Traumatic Stress Disorder with adults and children. Over the course of her more than 35 years of practice, she has worked with both Defense and Plaintiff attorneys and has also been a Court appointed expert. Dr. McNaught has administered more than 1700 psychological test batteries and testified on over 500 occasions as a forensic expert in the areas of: Civil, Criminal, and Family Law. She also provides trial consultation for attorneys. Dr. McNaught has  been qualified and testified as an expert in PTSD, for both the U.S. Army as well as the U.S. Navy. In addition she has testified as an expert in both District and Federal court. Dr. McNaught practices in the areas of Civil, Criminal, and Family Law cases involving trauma to both adults and children.

In the Civil area, Dr. McNaught is frequently hired as an expert when there are allegations of Emotional Damages involving Post Traumatic Stress Disorder (PTSD). Dr. McNaught has been hired in cases of alleged sexual misconduct within institutional settings such as: Schools, Churches,, Treatment Centers, Hospitals,Residential Centers for the Handicapped, Jails and other Police alleged violations.The following are cases where Dr. McNaugth has been an expert:  Motor Vehicle Injuries/Death; dog bite; amputation; burns; electrocution. Dr. McNaught has also been anexpert in  Medical Malpractice Cases ,Wrongful Death, and Infant Death cases. Employment Law Experience in cases  involving Age or Sexual Harassmen,t where PTSD is alleged. 

In the Criminal area, Dr. McNaught is hired by both the Prosecution as well as Defense in cases involving Sexual Misconduct. She also conducts evaluations of Defendants in criminal cases where Underlying Psychological Conditions may impact sentencing. Dr. McNaught has also  been obtained as an expert to evaluate the reliability of statements obtained from alleged victims of sexual assault. When doing so, Dr. McNaught addresses the following: Recantation, Memory Research, and the Standard of Care for Interviewing Victims of Sexual Assault. 

In the area of Family Law, Dr. McNaught specializes in High Conflict Dvorce and conducts Custody Evaluations as well as Evaluations regarding: Relocation; Endangerment; Factitious Disorder by Proxy; Parental Capacity; and Parental Alienation. 

View Dr. McNaught's Consulting Profile.

Charles H. Heller, PhD, is a Forensic Psychology Expert with over 35 years of experience in his field. Dr. Heller is currently on staff at Rutgers University Biomedical Health service, specializing in criminal behavior and risk assessment. He also serves as a forensic psychologist consultant for the Rockland County (NY) court evaluation service, where he has performed hundreds of child custody, as well as criminal competency and child abuse/neglect evaluations.

Litigation Support - Dr. Heller specializes in conducting custody evaluations, providing the review and analysis of potentially mitigating circumstances in connection with criminal behavior, and providing consultation to attorneys regarding civil litigation. He has extensive court experience in Civil, Criminal, and Family Court cases. Dr. Heller is a fully vetted and approved forensic psychologist for the NJ Office of the Public Defender as well as other Public Defender offices. (Federal Public Defender, Legal Aid in Manhattan, Bronx, Kings and the NYC assigned counsel program). He often travels throughout the US as a forensic consultant in important court cases including military Court Martials, death row assessment, sexual abuse, assault and multiple homicides. He is well known and respected among his colleagues as a clinician and as a forensic psychologist/expert witness.

Civil Litigation - (Emotional and Mental Injury) - Dr. Heller is retained by both plaintiff and defense counsel to assess plaintiffs for emotional and mental injury. He takes an unbiased, ethical approach to assessments and is not "a hired gun." He is an expert in objective evaluations that assess the probability the plaintiff is suffering PTSD, other emotional injuries, or if there is exaggeration of symptoms based upon psychological testing and other data. He has expertise in cases that involve group home / residential schools, provider negligence, and assaults.

Criminal Litigation - Dr. Heller is experienced in providing successful rebuttal testimony explaining the scientific issues related to the problems of validity, reliability, and usefulness of "Syndrome evidence" such as "Child Sexual Abuse Accommodation Syndrome" and "Rape Trauma Syndrome." He testifies in child sexual abuse cases and explains research related to false allegations, recantations, memory, suggestibility, child testimony, interview protocols, and "Believed-In Imaginings" in children and adults. He has expertise in domestic violence and has assessed women who have been victims of intimate partner violence and "Battered Women Syndrome" that contributed to homicides, assaults, and other felonies by the victims of abuse.

View Dr. Heller's Consulting Profile.

• Criminal Court Evaluations - Competence to Stand Trial, Assessment of Criminal Responsibility, NGRI Assessments
• Civil Court Evaluations - Personal Injury with Psychiatric symptoms, Brain Injury with Psychiatric symptoms, Malpractice related questions
• Family Court Evaluations - Involuntary Commitment, Guardianship, Testamentary Capacity, Undue Influence, Contractual Capacity, Fitness to Parent, Child Custody
• Third Party Forensic Evaluations - Fitness for Duty, Return to Work, Disability, ADA Accommodations, Medical Necessity, Independent Psychiatric Evaluations

Prudence L. Gourguechon, MD, is a clinical Psychiatrist and Psychoanalyst with over 35 years of in-depth experience diagnosing and treating patients with Trauma, Depression, and Anxiety Disorders. She is a nationally known leader and educator in the field and is frequently sought out by the media as an expert commentator on human behavior. 

Dr. Gourguechon is Yale and Michigan-educated and Northwestern-trained. She is Past President of the American Psychoanalytic Association, former Northwestern Faculty, and former Dean of the Chicago Psychoanalytic Institute. Dr. Gourguechon has clinical expertise in trauma, post-traumatic stress disorder, moral injury and other types of emotional injury, and psychological damage due to trauma, discrimination, accidents, abuse (including the effect of childhood abuse in adulthood) and harassment.

Litigation Support - Dr. Gourguechon has over 10 years of experience as an expert witness and independent medical examiner, and has worked with both plaintiff and defense attorneys. As an expert in the Psychology of Leadership and Decision Making , she is interested in the conditions leading to and the consequences of executive malfeasance, or “Leadership Malpractice,” and its effects on victims and survivors, a particular kind of emotional damage known in psychiatry as “moral injury.” 

Leadership malpractice is one way of describing the neglect by institutional bystanders who fail to act and protect when informed of abuse by their employees. The ideal client for her expertise is an individual who was subject to sexual abuse by a doctor or coach within the context of an institution that failed in its duty to protect, or covered up the abuse.

Areas of Specialization:

View Dr. Gourguechon's Consulting Profile.