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
Abie Rotenberg and Shlomo Carlebach as strong influences. While his folk-inspired sound and inspirational lyrics are strongly reminiscent of Carlebach, Rotenberg's soft and sometimes melancholic voice, however, contrast with Carlebach's ecstatic style. Rotenberg has collaborated with other Jewish musicians including Mordechai ben David, Avraham Fried, Yehuda Schechter, Yaakov Shwekey, Moshe Yess and Shlomo Simcha with whom he co-starred in Israel National Radio's Miracles 18 concert. Rotenberg has also been a main fixture of the annual HASC "A Time for Music" concerts. He has produced a children's audio series called the "Marvelous Midos Machine" composed of 4 volumes, with all original material. Rotenberg