Southside Bancshares, Inc., the parent company of Southside Bank, announced the completion of the merger of Diboll State Bancshares, Inc. with and into Southside and the merger of Diboll's wholly owned subsidiary, First Bank &Trust East Texas with and into Southside Bank, all effective on November 30, 2017. Lee Gibson will continue to serve as the President and Chief Executive Officer of the combined entity and Julie Shamburger will continue to serve as its Senior Executive Vice President and Chief Financial Officer. Additionally, in connection with the merger, Diboll executives have assumed the following titles at Southside: H.J. ("Jay") Shands, III - Director and Regional President, East Texas; and Joe C. ("Trey") Denman, III - Executive Vice President. In addition, in connection with the merger, Richard Warner, who served as a director of Diboll, became a director of Southside.