14 November 2013, Rome, Italy - Signing Ceremony of the United Nations Participation Contract for Expo Milano 2015, with the participation of Emma Bonino, Minister of Foreign Affairs, Italy; Jose Graziano da Silva, Director-General, FAO; Kanayo F. Nwanze, President, IFAD; Claudia von Roehl, Director for Government Partnerships Division,WFP; Giuseppe Sala, Commissioner of the Government of Italy for Expo Milano 2015 and Chief Executive Officer, Expo 2015 Company; Eduardo Rojas-Briales, United Nations Commissioner-General for Expo Milano 2015 . On this occasion, Expo 2015 also launches the International Competition for Best Sustainable Development Practices, aimed at identifying and promoting best development practices in food security to National and Local Government Authorities, International Organizations, Civil Society, Business Communities and Academic and Research Institutions.FAO headquarters (Sheikh Zayed Center).