MCLEAN, Va.--(BUSINESS WIRE)--GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, announced today the promotion of Layne Levine to Chief Revenue Officer. In his new role, Mr. Levine will lead GTT’s worldwide revenue growth initiatives. “Layne has done an outstanding job positioning GTT as the global leader in delivering cloud networking services to multinational clients,” said Rick Calder, GTT President and CEO. “Layne will now lead GTT’s