[1] Chang started his career in academics in 1988, following his Bachelors at Soochow University in Taiwan.
From 1993-1994 he worked at the Chengchi University in Taipei, where he assisted Mao-hsiung Hung.
Since 2006 Chang has been the Executive Secretary at the Center for European Union Studies and an assistant professor at the Graduate Institute of European Studies at Tamkang University.
[3] In 2008, Chang was awarded the Mercator Visiting Professorship for Political Management at the Universität Essen-Duisburg's NRW School of Governance.
[1] He was also a visiting Scholar at Ludwig-Maximilians-University Munich, Germany, the Vice Secretary General of the Chinese Homeland Security Research Association, Taiwan and “Global Vision” TV Program Host in Taiwan.