At-a-glance: Russia's business oligarchs
Mikhail Khodorkovsky

Boris Berezovsky

Vladimir Gusinsky

Vladimir Potanin

Mikhail Fridman

Roman Abramovich

Boris Berezovsky
Age: : 57
Business: Media magnate, anti-Putin dissident.
Worth: About $3bn.
Pedigree: Former Young Communist turned auto industry magnate. Won control of key newspapers and TV stations which were later confiscated by the Kremlin.
Hobbies: Avoiding extradition from London.