o Jan. 2019 – present : President, Social Value Committee, SK SUPEX Council
o Jan. 2017 – Dec. 2018 : President, Chief Executive Officer, SK broadband
President of Korea IoT Association (2015~2018)
o Dec. 2015 - Dec. 2016 : Executive Vice President, Chief Operating Officer,
SK telecom
o Dec. 2014 - Dec. 2015 : Executive Vice President, Head of MNO Business, SK telecom
o Jan. 2012 - Dec. 2014 : Executive Vice President, Head of CR (Corporate Relations) Division, SK telecom
o Jul. 2011 - Jan. 2012 : Senior Vice President, Head of CR (Corporate Relations) Division, SK telecom
o Jan. 2011 - Jul. 2011 : Senior Vice President, Head of IPE (Industry Performance Enhancement) Business Office, SK telecom
o Jan. 2003 - Dec. 2009 : Senior Vice President, Head of CR (Corporate Relations) Strategy Office, SK telecom