Arkady Rotenberg Arkady Rotenberg Arkady Romanovich Rotenberg (, born December 15, 1951 in Leningrad) is a Russian businessman and tycoon. With his brother Boris Rotenberg, he is co-owner of the Stroygazmontazh (SGM) group, the largest construction company for gas pipelines and electrical power supply lines in Russia. He was listed by "Forbes" in 621st place among the world's wealthiest persons in 2014. He is considered a close confidant of president Vladimir Putin. As of November 2017, "Forbes" estimates his fortune at $2.5 billion. He is subject to personal sanctions by the United States government related to the events during the Ukrainian crisis.
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