Data Computing Laboratory

2019 - Present,   Associate Professor, School of Computer Science, Chungbuk National University

2017 - Present,   Technology Review Advisory Committee, Fair Trade Commission

2015 - Present,   Expert Group Member, Global Science Forum, OECD

2013 - 2019,         Professor, Data and High Performance Computing Science, UST

2013,                       Visiting Scholar, Fermi National Accelerator Laboratory

2009 - 2019,        Director, Global Science experimental Data hub Center,  National Supercomputing Division ,KISTI

2006 - 2009,       Chief Research Engineer, LG Electronics