Oleg Vladimirovich Deripaska (Russian: Олег Владимирович Дерипаска, /Olyég Vladímirovich Dyeripáska/, born 2 January 1968) is a Russian billionaire, Chief executive officer of Basic Element company and a member of the Board of Directors and CEO of United Company RUSAL, a Russian aluminium industry company. Deripaska has a London home in Belgrave Square, which was originally the town residence of the Dukes of Bedford.
Deripaska's estimated fortune was $28 billion in 2008, according to the Forbes billionaire list, making him the 9th richest man in the world. However his fortune has since declined to US$ 3.5 billion dollars.
Deripaska is the sole owner and CEO of Basic Element, a diversified investment company established in 1997, with assets in Russia and abroad. Basic Element's main assets are concentrated in six sectors - energy, resources, manufacturing, financial services, construction and aviation. The major assets include United Company RUSAL the world's largest aluminium and alumina producer, GAZ Group automotive company, Ingosstrakh, the country's oldest insurance company, Bank SOYUZ (Банк «СОЮЗ»), Aviakor aircraft manufacturer, Russian-Asian Investment Company (or “RAInKo” — РАИнКо: Русско-Азиатская Инвестиционная Компания) , EuroSibEnergo (ЕвроСибЭнерго), an investment and energy supply company, Glavmosstroy (Главмосстрой), a planning and construction company.