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John Gregg is a seasoned professional with extensive experience in leadership roles. Serving as Principal at Application Verification since 2010, John Gregg has demonstrated expertise in oversight and management. Additionally, John Gregg is the Principal of Gregg Services, which includes four business units focused on Staffing, Background Screening, Security, and Real Estate, a position held since January 1970. John Gregg earned a Bachelor of Science degree from the University of Pittsburgh between 1970 and 1973.