Windstream Holdings, Inc. announced that Layne Levine has been named president of the company’s Enterprise business unit. The appointment follows an extensive national search. Levine has worked in the telecom industry for more than 25 years. He spent the last five years as the chief revenue officer at GTT. In that role, Levine led the company’s revenue growth initiatives worldwide, targeting global carriers and multinational enterprises and developing its emerging channel strategy. Previously he was the executive vice president for GTT’s Americas division, managing the sales efforts for North and South America.