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
Roman Rotenberg club, which was joining the KHL in the 2014/2015 season. In October 2014, Roman Rotenberg bought out the parts which his father and uncle owned in the deal. They were both on the USA's sanctions list. The Langvik Capital company, which is made up of a hotel and business hall not far away from Helsinki, acted as the intermediary. Roman Rotenberg also owns the Langvik Capital company. Arena Events Oy shares are divided out as follows: Langvik Capital – 49.5%, Roman Rotenberg 1%, White Anchor (Gennady Timchenko) – 49.5%. On July 30, 2015, Roman Rotenberg and the Oy Langvik Capital