He's a Chinese amateur dan player.
countsheep wrote:
I live in China. I’m not a pro, Go is my habit, not my profession. I think I’m pretty good among amateur players 
Recently, I found teaching is more interesting than playing, so I got a part-time job, now I’m teaching in a go school.
I did a lot of homework for my commentaries, and my commentaries also based on many pro players’ research achievements. So from the point of content, I can say the level of my commentaries is “absolutely professional”
If you want to know more, you should read through his guestbook: http://www.gocommentary.com/webpage/guest-book.htmlRecently, I found teaching is more interesting than playing, so I got a part-time job, now I’m teaching in a go school.
I did a lot of homework for my commentaries, and my commentaries also based on many pro players’ research achievements. So from the point of content, I can say the level of my commentaries is “absolutely professional”
[edit:]There's some funny stuff in that guest book:
Someone wrote:
....especially for young people following the anime books, “Haraku No Go"