 NASHVILLE, Tenn.--BUSINESS WIRE--Michael Mettee has been named chief financial officer of FirstBank and its parent company, FB Financial Corporation NYSE:FBK. He was appointed interim CFO in April and previously served as CFOBanking and director of Capital Markets. Michael is an extremely talented leader who brings a strong level of bank and mortgage financial experience to our executive team. He will be a tremendous asset as we navigate our continued growth, said FirstBank President and 