Joseph Wu Jaushieh[1] (Chinese: 吳釗燮; pinyin: Wú Zhāoxiè; Pe̍h-ōe-jī: Ngô͘ Chiau-siat; born October 31, 1954) is a Taiwanese political scientist and diplomat currently serving as secretary-general of the National Security Council since 2024.

From 2007 to 2008, he was Chief Representative of Taiwan to the United States as the head of the Taipei Economic and Cultural Representative Office in Washington, D.C., having been appointed to that position by President Chen Shui-bian to succeed his predecessor, David Lee, who was appointed Minister of Foreign Affairs.

[citation needed] Formerly the Deputy Secretary General of the Presidential Office for President Chen Shui-bian, Wu was appointed the chairman of the Mainland Affairs Council, the body charged with coordinating relations with mainland China (the People's Republic of China), by Chen in May 2004.

[5] On April 11, 2013, the ROC Cabinet approved a bill to establish a Straits Exchange Foundation (SEF) branch office in mainland China and an Association for Relations Across the Taiwan Straits (ARATS) office in Taiwan.

[6] In May 2021, he became the first person listed on the “diehard supporters of Taiwan independence” blacklist proposed by the Chinese government.