– 2005~2011: Research Scientist, Xerox Palo Alto Research Center (Xerox PARC), Palo Alto, CA, USA
– 2011~2013: Sr. Research Scientist, Adobe, San Jose, CA, USA
– 2013~Present: Associate Professor / Professor, Seoul National University, Graduate School of Convergence Science and Technology
– 2014~2016: Associate Dean, Seoul National University, Graduate School of Convergence Science and Technology
– 2021~2023: Member, Seoul National University Senate