Igor Rotenberg Igor Rotenberg Igor Rotenberg, () is a Russian billionaire businessman and the oldest son and heir to Arkady Rotenberg, Russian billionaire businessman and co-owner with brother Boris Rotenberg, of the SGM (Stroygazmontazh) group. The Rotenberg's are closely associated with Vladimir Putin. In October 2018, Igor Rotenberg's wealth is estimated to be $1.1 billion. Igor Rotenberg has been under United States sanctions since 6 April 2018. Igor is the majority shareholder in Gazprom Drilling. Igor Rotenberg was born on 9 September 1974 in Leningrad to Arkady Rotenberg. In 2002, he graduated from the Higher School of Privatization and Entrepreneurship () in
Roman Rotenberg Roman Rotenberg Roman Rotenberg is a business man and entrepreneur who was born on 7 April 1981 in Leningrad, the USSR. He holds the following posts: first vice-president of the Russian Ice Hockey Federation, head of the Russia national ice hockey team staff including the analytical and statistical departments, Gazprombank vice-president, member of the Kontinental Hockey League board of directors, Deputy Chairman of the KHL board, Deputy Chairman of the SKA Hockey Club board of directors, SKA vice-president, founder of the Doctor Sport company Vitawin brand which deals with the distribution of sports nutrition. Founder of a number of other