Chang Ya-chung

Chang Ya-chung is a Taiwanese political scientist and professor at National Taiwan University. He founded the Democratic Action Alliance in 2004 and was elected to the National Assembly in 2005, but resigned on the first day to protest the parliament's formation. He later chaired the Chinese Integration Association. Chang subsequently became an active member of the Kuomintang, contesting the party's 2019 presidential primary. He was deemed an ineligible candidate for the party's 2020 leadership election, placing second in the following year. He ran again in 2025, finishing fourth.