McKoy has devoted nearly five decades of leadership and service to the automotive aftermarket, beginning as co-owner of Skycoach Customizing in Long Island, New York, in 1975. Throughout her career, she has served as an entrepreneur, journalist, consultant and industry advocate. Through volunteer service, she served on the SEMA Board of Directors, created and advanced the SEMA Professional Restylers Organization (PRO) and founded the SEMA Businesswomen's Network (SBN). McKoy was a SEMA executive from 1994-2009. Skilled in institution building, she volunteered for SEMA following her tenure with the association, consistently identifying and addressing opportunities where members needed stronger organization, education or representation. Today, she continues to provide editorial, marketing and public relations services to aftermarket companies as founder of EMK Marketing.