New U.S. sanctions against Russian energy interests Igor Sechin, a long-standing ally of President Vladimir Putin, will be staying as head of Russia's largest oil producer Rosneft , for five more ...

And in the thick of things will be the biggest behind-the-scenes power monger of the lot: Putin's right-hand man, Igor Sechin, once dubbed the "Darth Vader of Russia". Sechin has no formal role in ...