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
Jim Webb (judo) in Japan. He was a long-time student of 9th Dan Vince Tamura. Dr. Webb was educated at West Point, the University of Dallas, MIT, Southern Methodist University, and the University of Maryland. He subsequently provided leadership to such prominent consulting firms as Price Waterhouse, Deloitte & Touche and A.T. Kearney. Prior to his strategy consulting career, he served as a Special Forces commanding officer. He is currently a professor and program director at Southern Methodist University. Jim Webb (judo) James R. Webb is an American businessman who is a former President of the United States Judo Association elected in 2006.