- GM, Consumer and Online Business, Microsoft
- Managing Director, Online Services Group, Microsoft
- M.S. applied mathematics, KAIST

- Adjunct Professor, Graduate School of Management / Graduate School of Culture Technology,
  Korea Advanced Institute of Science and Technology (KAIST)
- CTO, Iconlab Inc. (phone-based barcode scanning service company similar to QR code in Japan)
- Ph.D, Electrical Engineering and Computer Science, KAIST

- Senior Researcher, Telecommunication and Network Business, Samsung Electronics
- Ph.D, CS (Computer Vision), Cornell University
- MS, Applied Mathematics, Ecole Polytechnique (France)
- MS, Computer Science, KAIST
- BS, Computer Science / Physics, KAIST

- Senior Researcher, Samsung Electronics
- Ph.D, CS (Computer Graphics), KAIST
- MS, Computer Science, KAIST
- BS, Computer Science, KAIST
- 1st Prize, Asia Regional, ACM International Collegiate Programming Contest 1996-1997
- 10th Prize, World Final, ACM International Collegiate Programming Contest 1996-1997

- Mobile application development experiences in Gamevil, Inc. and Virtualware, Inc.
- Ph.D candidate in Electrical Engineering and Computer Science, Seoul National University (SNU)
- MS, Electrical Engineering and Computer Science, SNU
- BS, Electrical Engineering, SNU