• 2018-2020: Deputy Minister, Ministry of Foreign Affairs, Republic of China (Taiwan)
• 2019: Member of the Board of Directors, The Prospect Foundation, Republic of China (Taiwan)
• 2018: Member of the Board of Directors, The Institute for National Defense and Security Research, Republic of China (Taiwan)
• 2016-2018: President, The Taiwan Foundation for Democracy, Republic of China (Taiwan)
• 2012-2017: Director, Center of Contemporary China, National Tsinghua University,Republic of China (Taiwan)
• 2012: Associate Research Fellow, Institute of Political Science, Academia Sinica, Republic of China (Taiwan)