<Career>

2016.11~ Present,         Chair and Founder, Chair of Korea Soceity of Blockchain

2017.3~ present,           Board Member at Shinhan Bank (No 1 Bank in Korea)

2017 ~ present,             ISO/TC307 Korean Representative of Blockchain Standard

2017.11 ~ present,         Advisory Committee Member of Financial Service Commission (FSC)

2017 ~ present,             Blockchain Advisor of City of Seoul

2014 ~ present,             Chair of Software Venture program division, Korea University

2014, 2015                    Inside Bitcoins Speaker, Kintex, Seoul, Korea

2014,                             World Knowledge Forum Speaker

2012 ~ 2013                  Associate Dean of Graduate School of Computer & Information Technology

2011 ~ 2012                  Associate Dean of College of Information & Communication

1999 ~ 2003                  Assistant Professor, Computer Science Dept., Texas A&M Univ.