PE-backed Q9 Networks appoints new president and CEO

Toronto-based Q9 Networks, a provider of outsourced data center infrastructure, has hired Karen Sheriff as president and CEO. The appointment becomes effective January 5, 2015. Sheriff is the former president and CEO of Bell Aliant. Q9 Networks is owned by an investor group that includes Ontario Teachers' Pension Plan, Providence Equity Partners and Madison Dearborn Partners.

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