The North Carolina company's purchase of Chattahoochee Bank will add a branch and loan production office to its existing operations in northern Georgia.
Pinnacle Financial Partners closed in on $20 billion in assets by buying BNC. It now has to integrate the North Carolina bank, while finding ways to boost profit and adapt to increased regulatory burden.
Joseph Evans will step down as CEO on June 1, though he will remain the company's chairman. Thomas Wiley, a longtime associate of Evans, is set to take the helm.