Pohang University of Science and Technology ( POSTECH )

I studied there. It's the best university in Korea.

Computer Science and Engineering department homepage

My major is computer science and engineering. It's my department homepage.

Postech Laboratory for Unix Security ( PLUS )

I worked as the security administrator in postech. I traced many hackers in postech. I am a member of the PLUS.

Software Engineering Laboratory ( SE Lab )

I am interested in the software engineering. Therefore, I studied in the software engineering lab. It's a very difficult study.

Postech Linux User Group ( POSLUG )

It's postech linux user group. I am interested in the linux, GNU, and free software.


It's a amateur classic orchestra . I played the violin.


It's a digital tv solution company. I had worked there for three years. And I am working here now.

Digital Media Professionals

It's Japanese 3d mobile chip design company. I had worked here for five years.