Igor Rotenberg Igor Rotenberg Igor Rotenberg, () is a Russian billionaire businessman and the oldest son and heir to Arkady Rotenberg, Russian billionaire businessman and co-owner with brother Boris Rotenberg, of the SGM (Stroygazmontazh) group. The Rotenberg's are closely associated with Vladimir Putin. In October 2018, Igor Rotenberg's wealth is estimated to be $1.1 billion. Igor Rotenberg has been under United States sanctions since 6 April 2018. Igor is the majority shareholder in Gazprom Drilling. Igor Rotenberg was born on 9 September 1974 in Leningrad to Arkady Rotenberg. In 2002, he graduated from the Higher School of Privatization and Entrepreneurship () in
Mordechai Rotenberg In 1962, he received his MSW from New York University. In 1969, he was awarded a Ph.D. at University of California, Berkeley. In 1970, Rotenberg joined the faculty of the Hebrew University of Jerusalem, becoming a full professor in 1980. He founded a new sub-discipline in psychology and religion. He is the author of ten books, which have been translated into English, French, Portuguese and Japanese. Rotenberg has taught at University of Pennsylvania, University of California, Berkeley, the Jewish Theological Seminary, City University of New York and Yeshiva University. Rotenberg has developed innovative theories based on psychological interpretations of Hasidic