He is a postgraduate of Massachusetts Engineering College of the U.S. When interviewed by VOA, he said about the impressions of his last year visit to the DPRK.

He said that he was impressed to see the big e-copying in the DPRK.

The DPRK has private terminal devices for reading e-books and it can be said that it is going ahead of U.S. universities in the aspect of information sharing, he said.