Tsinghua alumni include the current General Secretary of the Communist Party of China and Paramount Leader of China, Xi Jinping '79, who graduated with a degree in chemical engineering, along with the CPC General Secretary and former Paramount Leader of China Hu Jintao '64, who graduated with a degree in hydraulic engineering. In addition to its powerful alumni, Tsinghua has a reputation for hosting globally prominent guest speakers, with international leaders Bill Clinton, Tony Blair, Henry Kissinger, Carlos Ghosn, and Henry Paulson having lectured to the university community.