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 companies in the sports marketing, media and sports equipment markets. He is also active in these following fields: owner of the Hartwall Arena stadium, chairman of the Arena Events board of directors and is Gazprom Export's consultant on external communications. Roman Rotenberg was born in Leningrad, the Soviet Union, in 1981. Irina Haranen, his mother, had a good job in the city's commercial management, while his father Boris Rotenberg, a Russian Master of Sport and a judo coach, taught self-defence at the military academy. His grandfather was of Jewish descent, and worked as a director at the Leningrad factory plant