December 17, 2013. Russian President Vladimir Putin, third right, and his Ukrainian counterpart Viktor Yanukovich, fourth right, pictured during the signing ceremony after the 6th meeting of the Russian-Ukrainian inter-state commission in the Kremlin. Second right - Director General of the Rosatom Nuclear Energy State Corporation Sergei Kirienko. Second left - Chairman of the State Nuclear Regulatory Inspectorate of Ukraine Yelena Mykolaichuk.