Which exhiled Russian businessman acquired a Russian owned oil and gas company based in Moscow, Russia?
Yukos:  Yukos was acquired from the Russian government by Russian oligarch Mikhail Khodorkovsky's Bank Menatep during the controversial "loans for shares" auctions of the mid 1990s. Mikhail Khodorkovsky: Mikhail Borisovich Khodorkovsky (Russian: Михаи́л Бори́сович Ходорко́вский , ] ; born 26 June 1963) is an exiled Russian businessman, philanthropist and former oligarch, now resident in Switzerland.
Mikhail Borisovich Khodorkovsky