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 Pipe Project, which eventually supplied 90% of Gazprom's large diameter pipes and operated at a 30% profit margin, twice the industry average. In 2013, Gazprom increased Rotenberg's contract for a Krasnodar pipeline by 45%, then continued payments for a year after the Bulgarian segment was canceled. While he was the Minister of Transport of the Russian Federation from May 20, 2004 to 2012, Igor Levitin ensured in 2010 that Arkady Rotenberg's firms (Mostotrest) would construct the toll roads on Russian federal highways. Rotenberg is the president of the Hockey Club Dynamo Moscow. In 2013 he became a member of the