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 Filippenko Arkady Filippenko Arkady Dmitriyevich Filippenko () (8 January 1912 – 24 August 1983) was a Soviet Ukrainian composer. He was born in the small village of Pushcha-Vodycia, now a suburb of Kyiv (Kiev). As a pre-schooler, he spent a great deal of time outdoors with his grandfather, a shepherd who played and made pastoral pipes akin to those of the Swiss. The shepherd's pipe was the first instrument he learned to play. In grammar school, he learned the guitar, mandolin and balalaika and played in the school orchestra. In 1926 at the age of 13, Filippenko began vocational school and