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 and a £8 million apartment in London. The couple's lawyers had obtained a secrecy order preventing media in the U.K. from reporting on the divorce, but the order was overturned on appeal. He has five children including Igor () who is a Russian billionaire businessman, Liliya () who is a doctor and lives in Germany, son Paul () who is a competitive hockey player, and two other children that live in the United Kingdom with his former second wife Nataliya. Arkady Rotenberg Arkady Romanovich Rotenberg (, born December 15, 1951 in Leningrad) is a Russian businessman and tycoon. With his