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 create a Russian sports nutrition company belongs to Alexander Medvedev. In 2010, he asked Roman Rotenberg to speak to the KHL about the issue of using Russian sports nutrition in the KHL. The GNC American company, one of the biggest sports nutrition, vitamin, energy and protein distributors, was used as a sample business model. A year after its launch, Rotenberg stated that Doctor Sport had already broken even in operating terms. In July 2015, Doctor Sport already had 50 outlets, making it one of Russia's biggest companies on the sports nutrition market. Its sole owner was SMP Bank. It is