Johnny ChastainJohnny Chastain is an American politician and banker. He currently represents the 7th district in the Georgia House of Representatives.CareerBefore running for office, Chastain was a banker. He served as an executive of United Community Bank.PoliticsChastain entered the special election for the 7th district after the death of incumbent representative David Ralston. In the first round, Chastain placed second out of five candidates. He faced Ralston's widow Sheree in the runoff. Chastain narrowly defeated her in the runoff. Observers considered his victory an upset, as Ralston had the backing of several prominent leaders, including governor Brian Kemp.