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
Operating partner industry(es). They typically focus on strategic planning, commercial growth, operational efficiency and financial controls, and lever their analytical and industry experience to solve problems facing portfolio companies. The role of an operating partner can span the full investment cycle, from due diligence to post transaction integration through to a liquidity event or full exit event. Operating partners are levered by investors and boards as a catalyst for change, as coaches or mentors and in some cases, to serve as “sparring partners” for management. Operating partners may oversee short to medium term as well as long-term operational improvement programs for a