The board approved the changes Saturday, Sergei Filippov, head of Sistema's press service, said Sunday in a phone interview.
Yevtushenkov, the founder and majority owner of Sistema, took up the CEO mantle one month before the company's Feb. 9, 2005, initial public offering of shares, which raised $1.55 billion in Russia's biggest-ever IPO.
The Moscow-based holding owns more than 50 percent of Mobile TeleSystems, eastern Europe's biggest cellular phone operator by subscribers. Telecommunications, including Mobile TeleSystems and Comstar United Telesystems, a fixed-line operator that raised $1.06 billion last month in an IPO, account for about three-quarters of Sistema's revenue.
Goncharuk comes from Sitronics, Sistema's technology arm, where he has served as CEO since 2003. Sistema's board also recommended Yevgeny Utkin, CEO of Kvazar-Micro, as the new CEO of Sitronics.
Sistema also created the position of vice president for innovation and science and appointed Denis Muratov to that post.
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