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 Kobyakov he enrolled in the Nizhny Novgorod choral chapel of boys (now Nizhny Novgorod choral College. L. K. Sivukhina), where he learned the rudiments of music on piano. The grandmother played an important role in the education of Arkady — she instilled in him a love for music, learned to accept life for what it is, and treat everything philosophically. When Arkady was still a child, his mother left the family, leaving him with his father, and in the future showed no interest in the fate of Arkady. His musical education Arkady to finish was not to be. Because of his