28/04/2009 (Agence Europe) - Russian Deputy President Igor Sechin, Deputy Speaker of the Duma and Chairman of the Russian Gas Society Valery Yazev, Deputy Chief Executive of Gazprom Alexander Medvedev, Russian Ambassador to the EU Vladimir Chizhov, Director General of the IEA Nobuo Tanaka, Director General of DG TREN of the European Commission Matthias Ruete and the Chairman of the European Union of the Natural Gas Industry Eurogas Domenico Dispenza will be the main speakers at an...