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,
Mordechai Rotenberg Mordechai Rotenberg Mordechai Rotenberg (1932 - ) () is an Israeli professor of social work at the Hebrew University of Jerusalem. Mordechai Rotenberg was born in Breslau, Germany (today Wrocław, Poland). His father was from Warsaw, descended from Rabbi Yitzchak Meir Alter, the founder of the Hasidic sect. His father owned a publishing house in Breslau. In 1939, on the eve of World War II, the family immigrated to Palestine. Rotenberg's father opened a small printing press in Jerusalem. Rotenberg grew up in a Haredi household, with three brothers and a sister. In 1960, he graduated from the Hebrew University.