Yu Shyi-kun, Taiwanese politician, 39th Premier of the Republic of China
You Si-kun (Chinese: 游錫堃; born 25 April 1948), also romanized Yu Shyi-kun, is a Taiwanese politician serving as a member and the president of the Legislative Yuan. He was one of the founding members of the Democratic Progressive Party (DPP), and is known to be a strong advocate of Taiwan independence. He led the DPP as chairman from 2006 to 2007 and served as Premier from 2002 to 2005.