Dmitry Tsiryulnik

Chief Technology Officer

Dmitry has been in the Telecom industry since the mid-nineties. His experience in building startup ISPs and the work he’s done with more established ISPs over the past two decades has been invaluable in establishing Challenger as a serious player in the industry from its inception. His extensive experience in providing network-builds and Internet services has been a significant driver in developing Challenger’s footprint.


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