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
Jonathan Rotenberg named one of the “Top 100 Young Entrepreneurs in America” by the Association of Collegiate Entrepreneurs. Computer Reseller News named him “One of the 25 Most Influential Executives in the Personal Computer Industry.” And Slashdot named him one of the “Top 150 i-Technology Heroes of All Time.” Jonathan Rotenberg Jonathan Rotenberg (born April 29, 1963) is an executive coach, management consultant, and author. In 1977, he cofounded The Boston Computer Society, which became the world's largest personal computer user organization. He is currently writing a book about what he learned from his early mentor, Apple founder Steve Jobs. Jonathan was