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
Roman Rotenberg create a Russian sports nutrition company belongs to Alexander Medvedev. In 2010, he asked Roman Rotenberg to speak to the KHL about the issue of using Russian sports nutrition in the KHL. The GNC American company, one of the biggest sports nutrition, vitamin, energy and protein distributors, was used as a sample business model. A year after its launch, Rotenberg stated that Doctor Sport had already broken even in operating terms. In July 2015, Doctor Sport already had 50 outlets, making it one of Russia's biggest companies on the sports nutrition market. Its sole owner was SMP Bank. It is