Russian internet search engine Yandex has appointed Sergey Petrenko the head of its branch office in Belarus. Petrenko simultaneously carries out duties as head of the branch office of Yandex in Ukraine, reports Main News Ukraine. Yandex launched its portal for Belarus earlier this year. Petrenko has replaced Anna Fyodorova in his new position. Fyodorova has moved to the headquarters of Yandex in Moscow, taking responsibility for the international development of the company.