American Ethane Company website nor by its publications although these foreigners have significant interests in American Ethane. Finally, Konstantin Nikolaev is a partner and close associate of Vladimir Putin's inner circle through Igor Levitin, Alexey Mordashov, Arkady Rotenberg, and Gennady Timchenko. American Ethane Company American Ethane Company, LLC (AEC) is the largest producer of ethane in the United States. It is a Houston, Texas, based American petroleum company established in January 2014 with offices in New Orleans. It is privately held with large investments from Russian oligarchs who are close to Vladimir Putin's inner circle. As of July 2018, Konstantin Nikolaev, Mikhail Yuriev,
Roman Rotenberg company were included in the USA financial ministry's sanctions list along with eleven other individuals and entities. Father – Boris Romanovich Rotenberg (born in 1957), businessman, Russian Judo Federation vice-president, co-owner of SMP Bank.Brother – Boris Borisovich Rotenberg (born 1986), football, FC Lokomotiv Moscow defenderUncle – Arkady Romanovich Rotenberg (born 1951), billionaire, Russian Judo first vice-president, co-owner of SMP Bank.Cousin – Igor Arkadevich Rotenberg (born 1973), businessman, top-manager. Roman Rotenberg Roman Rotenberg is a business man and entrepreneur who was born on 7 April 1981 in Leningrad, the USSR. He holds the following posts: first vice-president of the Russian Ice