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
Abie Rotenberg Abie Rotenberg Abie Rotenberg () is a prolific Orthodox Jewish musician, composer and entertainer from Toronto, Ontario, Canada. He has been producing music since the mid-1970s with a style which has been described as "soft and sweet" with a strong folk influence. Rotenberg grew up in Queens, New York surrounded by other up and coming religious Jewish musicians, including Eli Teitelbaum, who directed the first "Pirchei" boys choir, as well as Rabbi Baruch Chait and Label Sharfman who attended "yeshiva" with him. Rotenberg studied piano and taught himself guitar at a young age. Rotenberg has cited musicians Rabbi Benzion Shenker,