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 Dvorkovich Arkady Dvorkovich Arkady Vladimirovich Dvorkovich (; born 26 March 1972) is a Russian public servant and economist, who was Deputy Prime Minister in Dmitry Medvedev's Cabinet from 21 May 2012 until 7 May 2018. He was previously an Assistant to the President of the Russian Federation from May 2008 to May 2012. Dvorkovich is considered to be a close confidant of Dmitry Medvedev and an important figure in Russian politics. He rose to prominence during Medvedev's presidency but has recently suffered from the resurgence of Igor Sechin. Since 2015, he is also the Chairman of the Board of the Directors