About Dan

Dan Ribacoff

Private Investigator, Polygraph Expert, Author

About Dan Ribacoff

Dan Ribacoff is a preceptor and APA School-prepared analyst. He studied and trained under the late Gene Sandacz, an eminent polygraph analyst, with nearly 40 years of experience. Dan Ribacoff started preparing with this expert polygraph analyst in 1994. He also recieved polygraph education from the US Department of Defense, Polygraph Institute educational plan. He was educated and trained in the utilization of Analog, Lafayette, Axciton and Limestone Technologies Computer Polygraph hardware. Dan Ribacoff is an alum of the Academy for Scientific Investigative Training. This American Polygraph Association-endorsed school is overseen by Nathan J. Gordon, an incredibly famous polygraph analyst and past-President of the APA. Bill Fleischer is the Assistant Director of the school. Mr. Fleischer is a previous FBI polygraph inspector. Dan Ribacoff has additionally studied at the Marston Polygraph Academy, San Bernardino, California.

Dan Ribacoff is ensured in Advanced Post-Conviction Sex Offender Testing. Dan Ribacoff tests for 18b and Criminal Justice Act Federal Court matters. Dan Ribacoff is an individual from the City of New York Police Reserve Association; he was named as the 1991 Man of the Year for the NYPD Honor Legion. This is a respect he imparts to Mayor Koch, Mayor Giuliani, Sen. John McCain, Police Commissioner Safir, Police Commissioner Bratton, and numerous other highly respected individuals. He has been a member of the board of trustees of the Nassau County Bar Association's WE CARE fund for many years. He was the 2009 Honoree.

Dan Ribacoff conducts testing for criminal allegations, employee theft, protection extortion, movement issues, family issues, misuse charges, media, and so on. He has introduced his discoveries to State and Federal Prosecutors, Supreme Court-Criminal, Civil and Matrimonial issues, Family Court matters, Human Rights Commissions, Department of Social Services/Child Protection Agencies, and so forth. He has even traveled to Cartagena, Colombia to direct assessments on a Federal Drug Trafficking Case. Dan Ribacoff tests for Police Departments that don't have their own polygraph analysts on staff. He is on the Expert Panel of the Office of the Mayor of the city of New York and Nassau County, New York Assigned Counsel Plan for Criminal Court and Supreme Court-Criminal Part cases. He conducts polygraphs for the Kings, Queens and Nassau County Legal Aid Society. He is on the Expert Panel for Federal Criminal Court, under the Criminal Justice Act. He is a specialist for a NBC/Universal network show that is globally coordinated. He has taught in Lisbon, Portugal; Budapest, Hungary and St. Julian, Malta on Credibility Assessment Techniques.

His firm has been included in: The New York Times, Wall Street Journal, USA Today, NBC Today Show, Fox 5, Good Day New York, Fox 5 News, WPIX News, ABC News.com, NY Law Journal, Baltimore Sun, Chicago Tribune, NY Post, NY Daily News, CNN, CNBC, Long Island Business News, Glamor Magazine, Playboy.com, The Tyra Banks Show, NBC/Universal's Steve Wilkos Show, GLOBO-TV, Sirius/XM Satellite, the Jeremy Kyle Show, the Bill Cunningham Show, the Rachel Ray Show and the National Geographic Channel.

  • Infidelity
  • Criminal Investigations
  • Civil Litigation Support
  • Divorce & Child Custody
  • Breaches
  • White Collar Crimes
  • Fraud
  • Corporate Defense
  • Technical Surveillance Countermeasures
  • School Vulnerability Assessments
  • Threat & Vulnerability Asssessments
  • Armed & Unarmed Security Officers
  • Executive Protection

Corporate & Business Investigations

Visit Dan's Private Investigation Website

  • Litigation Support
  • Financial Fraud Investigations
  • Risk Assessment & Security Consulting
  • Due Diligence
  • Personal Injury Investigations


Academy for Scientific Investigative Training
Marston Polygraph Academy
Advanced Post-Conviction Sex Offender Testing


  • American Polygraph Association
  • National Polygraph Association
  • International Society of Polygraph Examiners
  • National Council of Investigative Security Specialists
  • ASTM International
  • Associated Licensed Detectives of New York State
  • British & European Polygraph Association
  • World Association of Detectives

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