• 2015

    Senior Polygraph Examiner
    U.S. Department of State

  • 2012

    Retired Polygraph Examiner
    U.S. Department of Justice

  • 2012

    Retired Polygraph Examiner
    Drug Enforcement Administration

  • 2010

    Advisor and Consultant
    Office of the Chief and Command
    Legal Staff Houston Police Department

  • 2008

    Examiner and Consultant
    NBC News/Dateline

  • 2007

    Member Post Convictions Sex Offender Committee
    American Polygraph Association