Lisa J. Ribacoff

Lisa Ribacoff (30 years old) is the Manager of International Investigative Group, Ltd., Credibility Assessment Division with offices in New York City, Long Island, Westchester, Los Angeles, Boca Raton, FL, and London. Ms. Ribacoff has been with the firm for 9 years. She is a member of the American College of Forensic Examiners, American Society for Testing and Materials (ASTM International). She holds Advance Training certifications with accreditation from the American Polygraph Association, the National Polygraph Association and the British & European Polygraph Association (BEPA). In addition, she holds Advanced Training Post Conviction Sex Offender Testing Certification with the American Polygraph Association.

Ms. Ribacoff is a certified and school trained polygraph examiner. She studied and tested under her father, Daniel Ribacoff, a renowned polygraph examiner. She is also a graduate of the Academy of Scientific Investigative Training, Philadelphia, PA. She studied under Nathan Gordon, both former president and Chairman of the Board of the American Polygraph Association. He is one of the top polygraph examiners in the world. Ms. Ribacoff also learned theory studies that are based from the US Department of Defense, Polygraph Institute curriculum. Ms. Ribacoff was trained in the use of Analog, Lafayette and Limestone Technologies Computer Polygraph equipment. Ms. Ribacoff holds a BA in Childhood Education/Special Education from the State of NY University at Old Westbury. There, she was President of the Student Government Association and was featured on the Dean’s List. She is also a graduate of Concordia University and holds a Masters of Science in Educational Leadership and Curriculum and Instruction. She is currently enrolled in a Masters of Science for Criminal Justice Program at Boston University.

She conducts testing for criminal accusations, employee theft, insurance fraud, family issues, abuse allegations, media, etc. Ms. Ribacoff has tested paroled sex offenders for The Rockland County Department of Probation. Her firm is listed on the Expert Panel of the City of New York and Nassau County.


Academy for Scientific Investigative Training
Basic Certified Polygraph Course
Advanced Certified Polygraph Course
Advanced PCSOT Polygraph Course

PEAK Credibility Assessment Training Center

Basic Post Conviction Sex Offender Training Course

Bachelors of Science
SUNY Old Westbury

Masters of Science
Concordia University


American Polygraph Association Logo American Polygraph Association

National Polygraph Association Logo National Polygraph Association

International Society of Polygraph Examiners International Society of Polygraph Examiners

ASTM International ASTM International

British & European Polygraph Association British & European Polygraph Association

British & European Polygraph Association

Contact Us


Polygraph and Lie Detector Testing in New York City, Long Island, Westchester, and the tri-state area

Office Hours

  • Monday - Friday - By Appointment Only
  • Saturday - By Appointment Only
  • Sunday - By Appointment Only

Seen and Featured In