Taiwanese politician of the Democratic Progressive Party who has represented Tainan in the Legislative Yuan since 2016, after serving on the Tainan city council.
He belongs to the DPP's New Tide faction, 新潮流系, and was the party's spokesman from 2011 to 2015.
usage
His given name joins 俊 'handsome, talented' and 宪 'constitution, law'. Taiwan spells it the Wade-Giles way, Lin Chun-hsien, where chun is pinyin jun and hsien is xian.