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 Russian Federation started to make several changes in that sector. In 2013 an internal council was formed by the Ministry of Education to check all textbooks. Many of Enlightenments competitors books did not pass this new evaluation and so Enlightenment won about 70% of the contracts for new textbooks in the Russian Federation in 2014. In 2015, Arkady Rotenberg sold to his son Igor Rotenberg a number of assets including up to 79% of Gazprom Drilling (Bureniye), 28% of the road construction company Mostotrest, and 33.3% of Jersey-based TPS Real Estate Holdings Ltd. Alexander Ponomarenko and Aleksandr Skorobogatko own 66.6%