Tsai Ing-wen is a Taiwanese politician and academic serving as the president of the Republic of China, commonly known as Taiwan, since 20 May 2016. The first woman to be elected to the office, Tsai is the seventh president of the Republic of China under the 1947 Constitution and the second president from the Democratic Progressive Party (DPP); part of Taiwan's Pan-Green Coalition. She is also the first president to be of both Hakka and aboriginal descent (a quarter Paiwan from her grandmother), the first unmarried president, the first to have never held an elected executive post before presidency and the first to be popularly elected without having previously served as the Mayor of Taipei. She was the Democratic Progressive Party candidate in the 2012 and 2016 presidential elections. Tsai previously served as party chair from 2008 to 2012, and from 2014 to 2018. She was re-elected for a second term on 11 January 2020 after emerging victorious in the presidential election.