What does he do for a living? I can't find anything about it on the wikipedia page, his personal page and the blog page about his achievements - strange.
It's worthy of note that his free software makes him plenty of money.
It's also no surprise that he doesn't feel the need to write about himself.
Probably still is, and netgem is his cover.
Considering that you apparently aren't fooled by that cover up, it can't be that much worth anyway.