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 club, which was joining the KHL in the 2014/2015 season. In October 2014, Roman Rotenberg bought out the parts which his father and uncle owned in the deal. They were both on the USA's sanctions list. The Langvik Capital company, which is made up of a hotel and business hall not far away from Helsinki, acted as the intermediary. Roman Rotenberg also owns the Langvik Capital company. Arena Events Oy shares are divided out as follows: Langvik Capital – 49.5%, Roman Rotenberg 1%, White Anchor (Gennady Timchenko) – 49.5%. On July 30, 2015, Roman Rotenberg and the Oy Langvik Capital