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 Gaidar Revolution a doctor), was a daughter of a Tsarist Army officer. Arkady was the first of the couple's four children. His three sisters were Natalya, Olga and Yekaterina. The Russian economist Yegor Gaidar was Arkady Gaidar's grandson. Yegor Gaidar's father, Rear Admiral Timur Gaidar, was his son. Maria Gaidar (born 1982), Russian activist, is a daughter of Yegor Gaidar. Arkady Gaidar Arkady Petrovich Golikov (; – 26 October 1941), better known as Arkady Gaidar (), was a Russian Soviet writer, whose stories were very popular among Soviet children, and a Red Army commander. Gaidar was born in the town of