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 Rotenbergs are closely associated with Vladimir Putin. In October 2018, Igor Rotenberg's wealth was 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. Early life and education 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 Pushkino, Moscow, and received his PhD in Law in 2005 in Kaliningrad at the Kaliningrad Law Institute of the Ministry of Internal Affairs of Russia of the St. Petersburg University of the Ministry of Internal Affairs of Russia. Career From 2002 to 2003, he was the Deputy Head of the Department of Property of the Fuel and Energy Complex in the Ministry of Property of Russia which later became Federal Agency for State Property Management in 2004. From 2003 to 2004, he was the Head of the Department of Transport and Telecommunications Property for the Property of Russia. From 2004 to 2005, he was the Vice-President of Russian Railways OJSC and acted as the Head of the Department of Property Management and Organizational Structures. Since 2006, he is the owner and the chairman of the board of directors of the Moscow-based NPV Engineering Group. Since 2008, he is the Vice-President of the design bureau CB "Northern Sea Route" (). Since 2010, he is the chairman of the board of directors of Mosenergo Heat and Power Company. Since 2011, he is the chairman of the board of directors of Gazprom Burenie LLC (Burgaz). In 2015, Arkady Rotenberg sold his son Igor Rotenberg a number of assets including up to 79% of Gazprom Drilling (Bureniye), 28% of the road construction company Mostotrest, and 33.3% of Jersey-based TPS Real Estate Holdings Ltd. Alexander Ponomarenko and Aleksandr Skorobogatko own 66.6% of TPC Real Estates Holdings. It was reported that Arkady Rotenberg made this move after being placed on the U.S. sanctions list. In 2015, OJCS TPS Real Estate () is one of the largest commercial real estate developers in Russia that manages several shopping centers in Russia and Ukraine. It is 100% owned by TPS Real Estate Holding Ltd. It owns the