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
Igor Rotenberg 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 Krasnodar Gallery (), Sochi's Moremoll (), and Kiev's Ocean Plaza (). It is building the Novosibirsk Gallery () and Moscow's Slavyansky Boulevard metro station and Polezhayevskaya metro