Chairman of the Kuomintang
The chairman of the Kuomintang is the leader of the Kuomintang in the Republic of China. The position used to be titled as President (1912–1914), Premier (1919–1925), Chairman of the Central Executive Committee (1925–1938), Director-General (1938–1975), and Chairman (from 1975).
Source: Wikipedia — Chairman of the Kuomintang (CC BY-SA 4.0)