2009 G20 London summit a force for good in the medium term." Leaders of the member countries began to prepare for the London Summit months before the effective date, notably with two official meetings dedicated to that preparation, one held in Berlin, Germany, on 22 February 2009 for European leaders, and another in Horsham, Sussex, United Kingdom, on 14 March 2009 for Finance Ministers. Leaders of the four European Union member countries of the G20, the United Kingdom, Germany, France and Italy along with the two largest European non-members, Spain and the Netherlands, met in Berlin on 22 February 2009 to prepare for the
2015 G20 Antalya summit they are the 2015 chair of the African Union, Malaysia was invited as they are the 2015 Chair of the Association of South-East Asian Nations (ASEAN), Senegal was representing the New Partnership for Africa's Development, and Azerbaijan and Singapore were also invited. The 11th edition of the G20 summit will be hosted by China in Hangzhou, in 2016. To discuss the world's biggest political and security crises, including Syria and the mass migration of refugees. In September 2015, U.S. Secretary of the Treasury Jack Lew planned to visit Turkey, as did his Chinese and other G20 finance minister counterparts and