South Atlantic Bancshares Inc. expanded its board size to 12 members and appointed Michael Tawes Sr. as director of the company and unit South Atlantic Bank. Tawes is a partner with Atlantic Real Estate Services and Valbridge Property Advisors/Atlantic Appraisals. In addition, the company promoted Ken Pickens to executive vice president. Pickens, who most recently was regional executive for Charleston and Mount Pleasant, will oversee the banks expansion and its new branch, set to open in 2017 on Johnnie Dodds Boulevard.