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
Arkady Rotenberg committee of the International Judo Federation. In preparation 2014 Winter Olympics in Sochi, Rotenburg won contracts worth $7 billion, including a $2 billion coastal highway and an underwater gas pipeline that came it at 300% of average costs. Rotenberg was named in the Panama Papers. Those leaked legal documents show Rotenberg sent $231 million in loans to a company in the British Virgin Islands in 2013. In 2013 Rotenberg became the chairman of the , which had once been the biggest supplier for textbooks in the Soviet Union. After Enlightenment became a private company in 2011, the government of the