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
Arkady Rotenberg Pipe Project, which eventually supplied 90% of Gazprom's large diameter pipes and operated at a 30% profit margin, twice the industry average. In 2013, Gazprom increased Rotenberg's contract for a Krasnodar pipeline by 45%, then continued payments for a year after the Bulgarian segment was canceled. While he was the Minister of Transport of the Russian Federation from May 20, 2004 to 2012, Igor Levitin ensured in 2010 that Arkady Rotenberg's firms (Mostotrest) would construct the toll roads on Russian federal highways. Rotenberg is the president of the Hockey Club Dynamo Moscow. In 2013 he became a member of the