Dr. Gregg A. Belle, PhD

Executive Director & Forensic Psychologist

Pronouns: He / Him
📞 (508) 289-1507 | ✉️ drbelle@forensicinsightgroup.com

About Dr. Belle

Dr. Gregg Belle is a licensed forensic psychologist and clinical psychologist based in Massachusetts, with over 20 years of experience conducting forensic evaluations, risk assessments, and expert witness services. He holds a PhD in Clinical Psychology from Washington University in St. Louis and completed forensic specialization at UMass Medical School’s Law & Psychiatry Program.

Dr. Belle has performed hundreds of court-ordered evaluations, including competence to stand trial, criminal responsibility, sentencing evaluations, and sexual dangerousness assessments under Massachusetts General Laws (Chapter 123A, 123). He’s also served as an expert witness in Superior Courts statewide.

In addition to forensic work, Dr. Belle is active in training and academia—serving as an adjunct professor and consultant in correctional systems.

Services & Specialties

Dr. Belle offers the following services within FIG:

  • Forensic evaluations & risk assessments

  • Sexual offender classification and dangerousness assessments

  • Competency to stand trial / criminal responsibility evaluations

  • Expert testimony in court

  • Veterans disability service-connection evaluations

  • Telehealth & in-person evaluations

Why Choose Dr. Belle

  • Deep experience in Massachusetts legal and forensic systems

  • Board-level roles and “Qualified Examiner” designation

  • Frequent presentations and training in forensic psychology

  • A rigorous, evidence-based approach with transparency and integrity

Education & Training

  • BS in Psychology, Brown University

  • MA & PhD in Clinical Psychology, Washington University in St. Louis

  • Harvard Medical School pre-doctoral internship (VA Medical Centers)

  • Postdoctoral fellowship in forensic psychology, UMass Medical School

  • Over 20 years in forensic psychology and risk assessment

Publications & Presentations

Dr. Belle has authored over 1,000 sex offender risk assessments and served as an expert witness in 300+ Superior Court cases. He regularly presents on topics of forensic assessment, criminal behavior, and mental health in correctional contexts.

curriculum vitae

Contact & Consultation

Interested in an evaluation or consultation with Dr. Belle?

Request a Free Consultation