Marion Davis has served as Director of Construction for the International Brotherhood of Teamsters (IBT) since June 2012. He also currently serves as Co-Chair of the IBT National Pipeline Training Fund and Labor Management Trust Fund (also since 2012). Throughout his career, Davis has been an instructor for various training classes and been involved with developing various training programs related to equipment operation and health and safety. He joined Teamsters Local 509 in August 1981 and was dispatched to DuPont at the U.S. Department of Energy Savannah River Site (SRS) nuclear facility (later operated by Bechtel Savannah River Inc.). Davis was elected to the Executive Board of Teamsters Local 509 in 1993, serving as Trustee, Recording Secretary through 1999. In October 2000, he was appointed to Southern Region International Representative for Construction as a stipend employee and left SRS to take on the roll fulltime in October 2007. He became Assistant Director of Construction in March 2012 and then Director a few months later.