Dr. Rachyll Dempsey, PsyD, ABPP — Psychology Evaluator
Forensic neuropsychologist, Board Certified in Forensic Psychology (ABPP). California Qualified Medical Evaluator in psychology.
Dr. Rachyll Dempsey is a forensic neuropsychologist licensed as a psychologist for over 20 years and is Board Certified in Forensic Psychology through the American Board of Professional Psychology (ABPP). She is licensed as a psychologist in California, Alaska, and Nevada, and is also a PsyPact member affording her the ability to practice across 45 states. She completed her Doctorate in Clinical Psychology at Argosy University, predoctoral forensic training at the APA accredited Northeastern Ohio Universities College of Medicine with Summit Psychological Associates, and postdoctoral training in neuropsychological assessment at the Portia Bell Hume Behavioral Health and Training Center. She began her career at San Quentin State Prison as Assessment Coordinator and Assessment Supervisor. She has taught at UCSF, St. Mary’s College, Argosy University and Alliant International University, and her private practice focuses on forensic and neuropsychological assessment, expert witness testimony, and working for the Board of Psychology as an expert reviewer.
Why attorneys choose Dr. Dempsey
Dr. Rachyll Dempsey is a forensic neuropsychologist who has been licensed as a psychologist for over 20 years and is Board Certified in Forensic Psychology through the American Board of Professional Psychology (ABPP). Her training combines both sides of that title: predoctoral forensic training at the APA accredited Northeastern Ohio Universities College of Medicine with Summit Psychological Associates, and postdoctoral training in neuropsychological assessment and evaluation at the Portia Bell Hume Behavioral Health and Training Center.
She is an experienced expert witness. She has been qualified as an expert in neuropsychology, correctional psychology, forensic psychology, competency and assessment, and as a developmental specialist and sex offender specialist. She also works for the Board of Psychology as an expert reviewer and is an Independent Practitioner certified through the California Sex Offender Management Board (CASOMB).
Dr. Dempsey also trains other psychologists. She began her career at San Quentin State Prison as Assessment Coordinator and Assessment Supervisor and built its psychology training program, served as Internship Training Director at the Psychological Services Center, CSPP, Alliant International University, and has taught at UCSF, St. Mary’s College, Argosy University and Alliant International University. She is past Chair of the Bay Area chapter of the California Coalition on Sexual Offending and past President of the Northern California Neuropsychology Forum.
Forensic board certification
Board Certified in Forensic Psychology through the American Board of Professional Psychology.
Neuropsychological assessment
Postdoctoral training in neuropsychological assessment and evaluation.
Forensic practice
Private practice focused on forensic and neuropsychological assessment, expert witness testimony, and work for the Board of Psychology as an expert reviewer.
Teaching and leadership
Has taught at UCSF, St. Mary’s College, Argosy University and Alliant International University.
Medical-legal experience
- California Qualified Medical Evaluator — Psychology
- Forensic and neuropsychological assessment and expert witness testimony in private practice
- Expert reviewer for the Board of Psychology
- Independent Practitioner certified through the California Sex Offender Management Board (CASOMB)
- Former Assessment Coordinator and Assessment Supervisor, San Quentin State Prison
- QME, AME and expert witness evaluations through Sound Medical Evaluators
- Qualified as an expert in neuropsychology, correctional psychology, forensic psychology, competency and assessment, and as a developmental specialist and sex offender specialist
Evaluations Dr. Dempsey performs
QME
Qualified Medical Evaluations for California workers’ compensation disputes.
AME
Agreed Medical Evaluations when both parties select one examiner.
Expert Witness
Expert witness testimony in forensic psychology and neuropsychological assessment.
Credentials and training
- Board Certified in Forensic Psychology, American Board of Professional Psychology (ABPP)
- Licensed psychologist in California, Alaska and Nevada; PsyPact member, able to practice across 45 states
- Doctorate in Clinical Psychology (Psy.D.) — Argosy University (2005), an APA accredited program
- Predoctoral forensic training — Northeastern Ohio Universities College of Medicine / Summit Psychological Associates
- Postdoctoral training in Neuropsychological Assessment and Evaluation — Portia Bell Hume Behavioral Health and Training Center
- Founder and CEO, Psychological Assessment, Inc.
- Past Chair (2017–2018), Bay Area chapter, California Coalition on Sexual Offending; past President (2015–2016), Northern California Neuropsychology Forum
- Former Internship Training Director, Psychological Services Center, CSPP, Alliant International University
- Member, American Psychological Association Divisions 40 (Clinical Neuropsychology) and 41 (American Psychology–Law Society); American Academy of Forensic Psychology; Forensic Expert Witness Association; Forensic Mental Health Association of California
Where Dr. Dempsey evaluates
Dr. Dempsey’s Approach
Each evaluation begins with a careful review of the complete record, a structured interview and appropriate psychological testing. Dr. Dempsey explains her findings clearly and bases her opinions on the record, the test results and accepted professional literature, with the aim of being fair and impartial to every party, applicant and defense alike.