Boris Romanovich Rotenberg Boris Romanovich Rotenberg Boris Romanovich Rotenberg (, born in Leningrad on 3 January 1957) is a Russian business man and oligarch. He is co-owner (with his brother Arkady Rotenberg) of the SGM (StroyGazMontazh) group, the largest construction company for gas pipelines and electrical power supply lines in Russia. He was listed by Forbes as Russia's 69th wealthiest person in 2016 with a net worth of $1.07 billion. He is considered a close confidant of president Vladimir Putin. Rotenberg was very involved in martial arts between 1968 and 1978, particularly judo. He trained alongside Vladimir Putin and won several awards for
Roman Rotenberg Rotenberg, decided not to buy Telesport. In July 2015, it was announced that Rotenberg had the aim of purchasing the Rossport sewing and print manufacturing company. Rossport is the main supplier for Russian sports clubs, including IHC SKA. It was reported that the deal would include the company's Kostroma and Dedovsk factories. According to experts’ estimates, the share would be around 60 million roubles, with the overall business evaluated in the range of 75-80 million roubles. Founder of the Sportconcept holding, which unites companies in the field of sports marketing, distribution of sporting products, the management and design of sporting