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
Lukáš Krpálek Lukáš Krpálek Lukáš Krpálek (born 15 November 1990) is a Czech heavyweight judoka. He is a former world champion (2014), former European champion (2014) and current Olympic Champion (2016). He is the most successful judoka in Czech and Czechoslovakian history, and was named Czech Judoka of the Year eight times between 2008 and 2015. Krpálek took up judo by chance – he wanted to train in karate, but his uncle mistook the sport. His brother Michal is also a judoka who served as a sparring partner for the Czech judo team at the 2012 Summer Olympics. In 2015 Krpálek married