 She served as the policy director of Citizens United for Better Society from 2006 to 2012, policy team leader of Korea Economic Research Institute from 2012 to 2014, and the secretary-general of Centre for Free Economics (then Centre for Free Enterprise) from 2014 to 2016.She also represented Saenuri Party (then Liberty Korea Party) during the history textbook controversies in 2015.Prior to 2016 election, Jun was brought into the Saenuri Party.