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Your Trusted Forensic Psychology Partner in Honolulu
Dr. Marvin Acklin is a distinguished practice led by Dr. Marvin W. Acklin, a board-certified clinical and forensic psychologist with over 3,000 psychological evaluations conducted. Our firm integrates clinical science into forensic and therapeutic services, serving children, adolescents, and adults. Dr. Acklin, a Fellow of the American Psychological Association and board-certified in Clinical, Assessment, and Forensic Psychology, brings decades of expertise in risk assessment, child custody evaluations, and expert witness testimony. We specialize in state-of-the-art forensic services, including psychoeducational testing, legal capacity assessments, and personnel selection, grounded in applied clinical research.

With appointments at the University of Hawaii and Tripler Army Medical Center, our practice combines academic rigor with practical application. We adhere to strict ethical standards, ensuring transparency, reliability, and client-centered care. Our work has been recognized in over 60 peer-reviewed publications, and we provide litigation support in civil and criminal proceedings. Dr. Marvin Acklin is committed to advancing forensic psychology through innovation, education, and evidence-based practice.
Services
Psychological Assessments Child Custody Evaluations Expert Witness Services Risk Assessments Psychoeducational Testing Legal Capacity Evaluations Personnel Selection Neuropsychological Assessments
Highlights and features
  • Board-certified in Clinical, Assessment, and Forensic Psychology (ABPP, ABAP, ABFP).
  • Over 3,000 psychological evaluations conducted by Dr. Acklin across civil and criminal cases.
  • Scientist-practitioner model integrating peer-reviewed research into every service.
  • Qualified expert witness in Hawaii state, federal, and military courts.
  • Pioneering applied clinical research in forensic psychology and risk assessment.
Associations and certifications
  • American Board of Professional Psychology (ABPP)
  • American Board of Assessment Psychology (ABAP)
  • American Board of Forensic Psychology (ABFP)
Services
Psychological Assessments
Comprehensive psychological assessments evaluate cognitive, emotional, and behavioral functioning for children, adolescents, and adults. These evaluations inform diagnoses, treatment plans, and legal proceedings. Our assessments integrate clinical science and forensic expertise to ensure accurate, actionable insights.
Child Custody Evaluations
Child custody evaluations assess parental capabilities and family dynamics in divorce or custody disputes. Conducted by Dr. Acklin with over 250 cases, these evaluations use behavioral science to determine the child's best interests and parenting readiness.
Expert Witness Services
Expert witness services provide psychological expertise in civil and criminal court cases. Dr. Acklin offers testimony, case reviews, and research-based analysis, qualified in Hawaii state, federal, and military courts for reliability and authority.
Risk Assessments
Risk assessments evaluate potential threats in legal contexts, including violence, sexual offenses, and workplace safety. Utilizing actuarial tools and behavioral science, we deliver evidence-based risk management strategies for courts and organizations.
Psychoeducational Testing
Psychoeducational testing identifies learning disabilities, ADHD, and cognitive challenges in children and adults. This service includes academic history analysis, cognitive testing, and tailored recommendations for educational or legal interventions.
People
Dr. Marvin W. Acklin
Forensic Psychologist
Dr. Acklin is a board-certified clinical and forensic psychologist with over 3,000 evaluations. He specializes in child custody, risk assessment, and expert testimony, published in 60+ peer-reviewed works. He teaches at the University of Hawaii and Tripler Army Medical Center.
Questions
What services does Pacific Forensic Associates offer?
We provide psychological assessments, child custody evaluations, expert witness testimony, risk assessments, and psychoeducational testing for legal and clinical needs.
Is Dr. Acklin qualified as an expert witness?
Yes, Dr. Acklin is board-certified in forensic psychology and qualified in Hawaii state, federal, and military courts as an expert witness.
Do you handle child custody cases?
Yes, Dr. Acklin has conducted over 250 child custody evaluations, using behavioral science to assess parenting capacity and child welfare.
What areas do you serve?
Our primary service area is Honolulu, Hawaii, with forensic and psychological services available statewide and in legal proceedings nationwide.
Can you assess learning disabilities?
Yes, we conduct psychoeducational testing for dyslexia, ADHD, and other learning challenges, including school accommodation recommendations.
What research supports your services?
Dr. Acklin's work includes 60+ peer-reviewed publications on forensic psychology, risk assessment, and clinical research methodologies applied in practice.