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 create a Russian sports nutrition company belongs to Alexander Medvedev. In 2010, he asked Roman Rotenberg to speak to the KHL about the issue of using Russian sports nutrition in the KHL. The GNC American company, one of the biggest sports nutrition, vitamin, energy and protein distributors, was used as a sample business model. A year after its launch, Rotenberg stated that Doctor Sport had already broken even in operating terms. In July 2015, Doctor Sport already had 50 outlets, making it one of Russia's biggest companies on the sports nutrition market. Its sole owner was SMP Bank. It is