Arkady Rotenberg Arkady Rotenberg Arkady Romanovich Rotenberg (, born December 15, 1951 in Leningrad) is a Russian businessman and tycoon. With his brother Boris Rotenberg, he is co-owner of the Stroygazmontazh (SGM) group, the largest construction company for gas pipelines and electrical power supply lines in Russia. He was listed by "Forbes" in 621st place among the world's wealthiest persons in 2014. He is considered a close confidant of president Vladimir Putin. As of November 2017, "Forbes" estimates his fortune at $2.5 billion. He is subject to personal sanctions by the United States government related to the events during the Ukrainian crisis.
Sparring some schools, permission to begin sparring is granted upon entry. The rationale for this decision is that students must learn how to deal with a fast, powerful, and determined attacker. In other schools, students may be required to wait a few months, for safety reasons, because they must first build the skills they would ideally employ in their sparring practice. Sparring is normally distinct from fights in competition, the goal of sparring normally being the education of the participants. The educational role of sparring is a matter of some debate. In any sparring match, precautions of some sort must be