Carl Grivner

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Carl Grivner was appointed Chief Executive Officer of Colt in January 2016. He joined Colt having spent 3 years in Singapore as CEO at Pacnet, directing the global strategy of one of Asia’s leading end-to-end communications service providers.

Prior to that, Carl was CEO of XO Communications, a US network provider, for eight years where he played a key role in transforming the business from a local exchange carrier to a national carrier.

Carl has held several executive level positions in the telecommunications and information technology industry including Chief Executive Officer of Cable & Wireless plc (Western Hemisphere) where he headed the North American operations. He also held various senior management positions in Ameritech and IBM.

He brings over 25 years of international executive and leadership experience including 12 years’ operating at the level of Chief Executive Officer at major telecommunications companies in North and Central America, Europe and Asia.