On June 26-27, the Fourth Global Think Tank Summit was held at China World Hotel-Beijing. SIIS President Chen Dongxiao andProfessor Yang Jiemian, Chairman of SIIS Academic Council attended the summit.Professoer Yang, upon invitation, chaired session I of Forum II: International Relations and Global Governance. The theme of the summit was Global Sustainable Development: New Path after 2015. Chinese Vice Premier Liu Yandong attended the opening ceremony and delivered a keynote speech.