The Group of 20 summit gives Beijing the opportunity to press its claim to have a greater international say. As such, the officials in the presidential entourage play a major role, giving a glimpse of some of the power players in Chinese politics. Among the big names are: Wang Yi Foreign minister Wang is China’s second highest-ranked diplomat and oversees the foreign ministry. He has been China’s ambassador to Japan and director of the State Council’s Taiwan Affairs Office. He has repeatedly raised eyebrows over the past year, including for his withering response to a Canadian journalist who raised a question over human rights in China . Rise of China's new Foreign Minister Wang Yi Wang Huning Director, Central Policy Research Office As head of the Communist Party’s top research office, Wang’s role is a combination of national policy adviser and chief speech writer. He is seen during almost all key domestic and international trips made by President Xi Jinping. He has gained respect among the upper echelon for his academic depth, political neutrality and caution . Xu Shaoshi Director, National Development and Reform Commission Xu is the country’s top economic planner and oversees the NDRC, which is sometimes called “the small State Council”. Despite more than three decades of market reform, the NDRC retains sweeping power to regulate all major industries and approve projects with billion-yuan budgets, from airports to railways and car plants. Xu Shaoshi is director of National Development and Reform Commission Liu He Director, General Office of Central Leading Group on Economic and Financial Affairs Liu is Xi’s top aide on economic and financial affairs, and oversees the influential leading group’s operations. He is widely believed to be the mysterious “authoritative person” People’s Daily quoted in May in a report casting doubt on policies pursued by the State Council under Premier Li Keqiang . Guessing game: who is mystery ‘authoritative figure’ claiming major shift in China’s economic policy? Wang Yang Vice-premier Wang is one of the State Council’s three vice-premiers, with responsibility for business and commerce, tourism and agriculture. Wang also plays a key role in Sino-US relations , keeping in contact with US Treasury Secretary Jacob Lew to keep both countries informed on economic and policy issues, though Wang is thought to now share this role with Liu He. The man who pushed for a global yuan - China's central bank governor Zhou Xiaochuan Zhou Xiaochuan Governor, People’s Bank of China Zhou is responsible for making and applying monetary policy for the world’s second-largest economy. Zhou is believed to have been at the centre of almost every change China has made to its financial system, from reshaping state banking to setting up the bond market to smooth the way for the yuan’s global push. China’s central bank chief says his job is too difficult for many people to understand Lou Jiwei Finance minister Lou, China’s finance minister since 2013, is known for his reformist outlook and preference for a market-oriented economy. He oversaw a multibillion-dollar sovereign wealth fund China Investment Corp for six years before heading the ministry. Lou was appointed chairman of board of governors of the China-led Asia Infrastructure Investment Bank . Ex-wealth fund guru Lou Jiwei to be finance minister Gao Hucheng Commerce minister Gao has experience in both the government and business sectors, including serving as a deputy general manager at China Resources Enterprise in the 1990s. The fluent French speaker, an experienced trade negotiator, was removed intact despite reports about his son’s controversial employment at JP Morgan. Yang Jiechi State councillor An experienced diplomat, Yang has quietly risen to the top position to oversee the country’s international policies. Yang, who outranks Foreign Minister Wang Yi, has often played an important role as China sought to ease tensions amid international disputes. Follow us on Twitter for the latest updates on the G20 summit in Hangzhou as it happens: <!--//--><![CDATA[// ><!-- //--><!]]>