Russian oligarch 2004, Putin apparently engaged in a power-struggle with some oligarchs, reaching a "grand bargain" with them. This bargain allowed the oligarchs to maintain their powers, in exchange for their explicit support of – and alignment with – Putin's government. Many more business people have become oligarchs during Putin's time in power, and often due to personal relations with Putin, such as the rector of the institute where Putin obtained a degree in 1996, Vladimir Litvinenko, and Putin's childhood friend and judo-teacher Arkady Rotenberg. However, other analysts argue that the oligarchic structure has remained intact under Putin, with Putin devoting much
Roman Rotenberg companies in the sports marketing, media and sports equipment markets. He is also active in these following fields: owner of the Hartwall Arena stadium, chairman of the Arena Events board of directors and is Gazprom Export's consultant on external communications. Roman Rotenberg was born in Leningrad, the Soviet Union, in 1981. Irina Haranen, his mother, had a good job in the city's commercial management, while his father Boris Rotenberg, a Russian Master of Sport and a judo coach, taught self-defence at the military academy. His grandfather was of Jewish descent, and worked as a director at the Leningrad factory plant