In October 2017 , Chen announced that he would stand in the 2018 local elections to contest the New Taipei City mayoralty .
Ko Wen - je named Chen a deputy mayor of Taipei in February 2016 , to replace Chou Li - fang , who had resigned .
In October 2017 , Chen announced that Chen would stand in the 2018 local elections to contest the New Taipei City mayoralty .
Ko Wen - je named Chen a deputy mayor of Taipei in February 2016 , to replace Chou Li - fang , who had resigned .