ATLANTA . . . The Board of Trustees of The King Center has appointed Bernice A. King as the new chief executive officer of The King Center, it was announced today. Mr. Dexter Scott King will continue to serve as chairman of the Board and Martin Luther King III remains the president of The King Center. The Board’s action will strengthen the office of the president to more effectively address external affairs on behalf of The King Center and enable the office of the chief executive officer to more efficiently focus on The King Center’s internal administrative matters.