Hadley was an early volunteer for the Barack Obama presidential campaign when an Obama campaign office opened in Atlanta in 2007. He went on to volunteer for the Obama campaign throughout Georgia, South Carolina, North Carolina, and Texas. In 2008, he was chosen by the Obama campaign to serve as an At-Large delegate at the Democratic National Convention in Denver. He was also the campaign manager for Richard Oden who became Rockdale County’s first African-American Chairman in 2009.