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Tatyana Kosharyuk has over a decade of experience in the telecommunications industry, currently serving as Manager of Roaming Finance at MegaFon since October 2010, after holding the position of Roaming Economist. Prior to this role, Tatyana worked as a Customer Service Manager at Arctel from October 2009 to September 2010. Tatyana completed studies at СПБГУТ им. проф. М.А. Бонч-Бруевича from 2004 to 2009.