Konstantin Nikolaev Konstantin Nikolaev Konstantin Nikolaev () is a billionaire Russian businessman who is a co-owner of and , the largest private rail operator in Russia, CIS, and the Baltic states. He is a major investor in American Ethane and serves on its board. Late July 2018, his net worth was estimated at $1.2 billion. He allegedly is a financial supporter of Maria Butina. Through Igor Levitin, Alexey Mordashov, Arkady Rotenberg, Gennady Timchenko, and Alexander Voloshin, Konstantin Nikolaev is a partner and close associate of numerous persons in Vladimir Putin's inner circle. In 1996, Nikolaev, Nikita Mishin, Andrei Filatov, and Alexey Mordashov
Arkady Rotenberg committee of the International Judo Federation. In preparation 2014 Winter Olympics in Sochi, Rotenburg won contracts worth $7 billion, including a $2 billion coastal highway and an underwater gas pipeline that came it at 300% of average costs. Rotenberg was named in the Panama Papers. Those leaked legal documents show Rotenberg sent $231 million in loans to a company in the British Virgin Islands in 2013. In 2013 Rotenberg became the chairman of the , which had once been the biggest supplier for textbooks in the Soviet Union. After Enlightenment became a private company in 2011, the government of the