 NASHVILLE, Tenn.--BUSINESS WIRE--Jim Ayers, who bought a tiny, rural West Tennessee bank in 1984 and turned it into an 11 billion regional powerhouse, announced today he was stepping down as Executive Chairman of the board of directors of FirstBank and its parent company FB Financial Corporation NYSE: FBK effective Jan. 1, 2021. Ayers, who owns 29 percent of the publicly traded bank, will retain a board seat and expects to continue working at the bank, focusing his time calling on customer 