Four members were added Wednesday to Georgia Bank & Trust Co. of Augusta's board of directors. They are W. Marshall Brown, Grey B. Murry, James W. Smith Jr. and Edward J. Tarver. "We are delighted to have these new members join our bank board," bank President and Chief Executive Officer R. Daniel Blanton said. "We welcome our new directors, and we are confident that they will contribute much to our organization." The new members expand the size of the board to 18 members. Two of the new members replaced positions that became vacant in the past year, Mr. Blanton said.