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
Marc Rotenberg the Norbert Wiener Award for Social and Professional Responsibility, the American Lawyer Top Lawyers Under 45, and the Vicennial Medal (2012) from Georgetown University. He was included in the "Lawdragon 500", a listing of the leading lawyers in America. Marc Rotenberg grew up in Boston, Massachusetts. His brother Jonathan Rotenberg founded the Boston Computer Society at age 13. Marc is married to Anna Markopoulos Rotenberg, an ESL teacher in the District of Columbia Public Schools. A tournament chess player, Rotenberg is a three-time Washington, DC Chess Champion (2007, 2008, 2010) and works to promote chess in the DC public schools