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
Rotenberg (Stuttgart) Rotenberg (Stuttgart) Rotenberg is a village which is a part of the Untertürkheim district of the City of Stuttgart, Germany. The area overlooks Untertürkheim and the Neckar valley and lies on the north and east slopes of the hill known as Württemberg (previously Wirtemberg). On this hill the first castle of the Counts of Württemberg was built in 1083 by Conrad of Beutelsbach who subsequently became Konrad I, Count of Württemberg and is considered the founder of the Württemberg dynasty. The hill also gave its name to the State of Württemberg. The castle was rebuilt in 1316 by Count Eberhard