- Designed optimized user experience of mobile services (@ SK Telecom and SK Planet), mobile phones (@ LG electronics), and TVs/Printers (@ Samsung Electronics).
- Talented manager of user experience design team with the proven know-how to combine creative and usability viewpoints resulting in world-class design.
- Launched T map (2014), T store (2012-13), qiip (2013 Japan), Pickat (2013 Korea, 2014 Singapore), Arena (2008-09 Worldwide), .... and more.
- Author of 2 books and 22 research papers, and many invited talks in UX conferences.
- Studied interaction design (for Ph.D.), cognitive systems engineering (for M.S.), and industrial engineering (for B.S.)