Education
He received a bachelor"s degree in engineering from National Cheng Kung University, before studying business administration at the National Chengchi University. Lai taught the subject and eventually chaired the Graduate Institute of Business Administration at NCCU. He returned to engineering while a master"s and doctoral student at the University of Southern California.
Career
From 1999 to 2002, Lai was a New Party legislator. Lai was also promoted to increasingly important Chinese Nationalist Party caucus positions. In April 2005 he was deputy secretary of the caucus.
By July, Lai had become caucus whip, a position he held until February 2016.
Politics
He has served on the Kuomintang Central Standing Committee, the National Assembly and the Legislative Yuan. During Lai"s second term in the legislature he switched affiliations to the Kuomintang and secured the continued endorsement of the New Party. Lai was nominated as the Kuomintang candidate for speaker of the ninth Legislative Yuan.