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 Ruderman capital Dushanbe, an area that at the time was experiencing heavy fighting between government and opposition forces. The government ruled Ruderman's death a vehicular accident, but the circumstances surrounding his death remain a mystery and his name is listed by the Center for Journalism in Extreme Situations as one of the journalists murdered in Tajikistan. Arkady Ruderman Arkady Abramovich Ruderman (, ; 7 January 1950 – 22 September 1992) was a Belarusian documentary filmmaker who was killed during the Civil war in Tajikistan in 1992. Arkady Ruderman was born in 1950 in Minsk, capital of the Byelorussian SSR. Ruderman first