Alexander Yui

Alexander Tah-ray Yui
俞大㵢
Official portrait, 2021
Taiwanese Representative to the United States
Assumed office
12 December 2023
PresidentTsai Ing-wen
Lai Ching-te
Preceded byHsiao Bi-khim
12th Taiwanese Representative to the
European Union and Belgium
In office
September 2023 – 12 December 2023
PresidentTsai Ing-wen
Preceded byRemus Chen
Succeeded byRoy Lee
Vice Minister of Foreign Affairs
In office
June 2021 – September 2023
MinisterJoseph Wu
Preceded byMiguel Tsao
Succeeded byRemus Chen
14th Taiwanese Ambassador to Paraguay
In office
October 2015 – April 2018
PresidentMa Ying-jeou
Tsai Ing-wen
Preceded byJosé María Liu
Succeeded byChou Lin
Personal details
NationalityTaiwan
EducationTexas A&M University (BA, MA)
OccupationDiplomat

Alexander Yui Tah-ray (Chinese: 俞大㵢; Wade–Giles: Yu2 Ta4-lei2) is a Taiwanese diplomat currently serving as Taiwan's representative to the United States, succeeding Hsiao Bi-khim. A career diplomat, he previously served as the Taiwanese ambassador to Paraguay from 2015 to 2018, vice minister of foreign affairs from 2021 to 2023, and briefly the representative to the European Union and Belgium.