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 Dvorkovich in Russian Railways company. Dvorkovich's father, Vladimir, was an international chess arbiter. Dvorkovich is an official of the Russian Chess Federation and was elected president of FIDE in October 2018, succeeding Kirsan Ilyumzhinov. Some of Dvorkovich's professional interests are economic regulation, financial management, and tax planning. According to BusinessWeek (2003) Arkady was included in the list of 50 potential world leaders. Dvorkovich speaks English and German. Arkady Dvorkovich Arkady Vladimirovich Dvorkovich (; born 26 March 1972) is a Russian public servant and economist, who was Deputy Prime Minister in Dmitry Medvedev's Cabinet from 21 May 2012 until 7 May 2018.