XO Names Grivner as CEO

XO Communications named Carl J. Grivner as its new CEO, replacing Daniel Akerson, who resigned in January. Grivner most recently served as Chief Operating Officer at Global Crossing. Prior to joining Global Crossing in June 2000, Grivner served as CEO of Worldport Communications and before that he served as CEO, Western Hemisphere, of Cable & Wireless PLC. He has also worked for AFC and Ameritech.
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