Education
Yao studied law at the National Taiwan University in Taipei.
Yao studied law at the National Taiwan University in Taipei.
He was the second chairperson of the Democratic Progressive Party (DPP). Born in Hemei, Changhua County, Yao has eleven younger siblings. In 1957, He started working as a clerk in the Bureau of Telecommunications, which is now the Chunghwa Telecom.
He passed the bar exam in 1966 and got his master"s degree in law two years later.
Yao co-founded the "Legal Advice Center for Citizens" Chinese: 平民法律服務中心 in 1972 after attending the University of California at Berkeley as a visiting scholar. In 1975, he served as a defense lawyer of Kuo Yu-hsin, an important figure in the Tangwai movement, along with Lin Yi-hsiung.
Yao is married to Chou Ching-yu, who is a former magistrate of Changhua County. Yao called for the abolition of the National Assembly in his book Maintaining and Amending the Law Chinese: 護法與變法 published in 1978.
In 1979, Yao was arrested and sentenced to a 12-year prison for his involvement in the Kaohsiung Incident.
He served in prison for seven years and became the chairperson of the Democratic Progressive Party after he was released. In 1992, Yao joined the "Welfare State Alliance" Chinese: 福利國連線 faction of the DPP founded by Frank Hsieh. In 1997, Yao started teaching at National Tsing Hua University as an associate professor
He worked as a lawyer again in 1999, as he ran unsuccessfully for legislator again in 1998.
President Chen Shui-bian appointed Yao as one of his Senior Advisors in 2000. Five years later, he was appointed as the President of the Examination Yuan.
Yao was replaced by the Ma Ying-Jeou government in 2008 after Chen Shui-bian"s administration expired. Yao supports the Taiwan independence movement.
He was an editor of the Formosa Magazine, which is associated with the Tangwai movement.
In 2006, he wrote a book that examines treaties that have strongly influenced the Taiwanese history with a goal to "set the facts straight" as the history of Taiwan is controversial.
Under his chairmanship, the party adopted the "Program for the Sovereign Independence of Taiwan" Chinese: 臺灣主權獨立案.
He was elected a member of the Legislative Yuan the same year, but was not re-elected in 1995.