Chief executive officer of Rosnanotech Anatoly Chubais attends the St. Petersburg International Economic Forum (SPIEF) on June 16, 2011 in St. Petersburg, Russia. Global business leaders have gathered in Russia for the three-day conference starting today. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Viktor Vekselberg, Chairman of Renova Group and President of SKOLKOVO Foundation, attends the St. Petersburg International Economic Forum (SPIEF) on June 16, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Sergei Ivanov, Deputy Prime Minister of the Russian Federation, attends the St. Petersburg International Economic Forum (SPIEF) on June 16, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Herman Gref, President and Chairman of the Sberbank of Russia, attends the St. Petersburg International Economic Forum (SPIEF) on June 16, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Andrei Kostin, chief executive officer of VTB Group, attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

President of the republic of Ingushetia Yunus-bek Yevkurov attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Vagit Alekperov, President, Member of the Board of Directors, Chairman of the Management Committee, Lukoil JSC attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Alexei Ulyukaev, First Deputy Chairman of Central Bank of Russia attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Dmitry Medvedev, President of the Russian Federation, attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Sergey Sobyanin, Mayor of Moscow, attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Eduard Khudainatov, President of Rosneft Oil Company attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Igor Shuvalov, First Deputy Prime Minister of the Russian Federation, attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Vladimir Bogdanov, General Director of Surgutneftegaz JSC attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Alexander Medvedev, Deputy Chief Executive Officer of OAO Gazprom attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Igor Sechin, Deputy Prime Minister of the Russian Federation attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Valentina Matvienko, Mayor of St. Petersburg, attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Alexei Miller (C), Deputy Chairman of the Board of Directors, Chairman of the Management Committee of Gazprom JSC attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)

Ilya Klebanov, Plenipotentiary Presidential Envoy to the Northwestern Federal District of the Russian Federation attends the St. Petersburg International Economic Forum (SPIEF) on June 17, 2011 in St. Petersburg, Russia. (Photo by Alexander Aleshkin/Epsilon/Getty Images)