Sentencing Consultants Expert Witnesses: 7

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 is appointed to the Los Angeles Juvenile Court Expert Witness Panel and Adult Criminal Court Expert Witness Panel. He is also a member of the National Academy of Neuropsychology.

Areas of Forensic Expertise:

Dr. Ernst specializes in Post-Traumatic Stress Disorder, Capacity/Competency evaluations, Mitigation Evaluations, and Employment Evaluations. He is one of a select group fewer than 40 psychologists in California who have undergone the rigorous examination process necessary to obtain Board Certification in Forensic Psychology.  Since 2012, Dr. Ernst has served as an Assistant Clinical Professor in the UCSF Department of Psychiatry where he provides teaching and supervision on a voluntary basis. 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), testamentary capacity and undue influence 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. In addition to his forensic and clinical practice, Dr. Ernst provides presentations for organizations including the San Francisco Bar Association, UCSF, and the First District Court of Appeals.

Areas of Expertise:

View Dr. Ernst'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 diagnosis and treatment of depression, anxiety, bipolar disorder, and severe psychotic disorders both as a treating physician and as possible features in a medical-legal case as a 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

Dr. Quimson-Guevarra has a clinical practice, Quimson Behavioral Health, providing psychiatric patient care, medication management, and psychotherapy, for patients who suffer from mental disorders such as Anxiety, Depression, ADHD, and PTSD. She is based in the greater Portland, Oregon Metropolitan Area.

At Cascadia Behavioral Healthcare, Dr. Quimson-Guevarra worked on an Assertive Community Treatment (ACT) team, a method to deliver an intensive level of services to patients in the local community. Her patients consisted 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. At Cascadia, she also treated patients with a history that includes forensic medical-legal issues.

Previously, Dr. Quimson-Guevarra 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.

Dr. Quimson-Guevarra 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

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.

Victor Lofgreen, PhD has over 30 years of experience and education in the fields of Corrections and Community Development. He is a prison and jail consultant who conducts cases analysis and develops reports to support litigation on prison and jail issues. Experience - Dr. Lofgreen has served as the CEO of a State Adult Correctional Institution and the Division Chief of a State Planning Agency for Corrections. He has authored numerous professional papers and articles on topics within his area of expertise as well as Agency Policy and Procedure Manuals and training materials. Litigation Support - Dr. Lofgreen's expertise is in Jail and Prison Policy and Procedures related to the standard of care for inmates by local, State, and Federal correctional agencies. His services are available to counsel representing plaintiff and defendant and include case review, case study and data analysis, report of Expert Opinion based on the evidence included in the case study, deposition, and trial testimony as needed. Areas of Expertise:

Expertise: Specializing in applications of clinical psychiatry to legal issues in civil and criminal matters at the interface of Psychiatry and the Law. Has served as an evaluator or expert witness in about three hundred cases in State and Federal courts in matters relating to:

Professional Background: Certified by ABPN in Psychiatry and Forensic Psychiatry. Assistant Professor of Psychiatry and Director of Psychiatry and Law Program at MCP Hahanemann University. Director of Psychiatry & Law Program and Director of Correctional Mental Health Services Program/Provider of Mental Health Services for the City of Philadelphia Prison System. Formerly Director of Psychiatry & Law Program at the Medical College of Virginia. M.D. Degree -University of Massachusetts. Psychiatry Residency & Forensic Psychiatry Fellowship -Tulane University Medical Center.