It's only his freshman year, that's why the Valve co-founder and boss hasn't yet been voted Most Likely to Succeed.

Spied by Redditor electrifuzz in his father's yearbook from Davis (Calif.) Senior High.

I discovered today that Gabe Newell went to the same high school at the same time as my dad. They didn't know each other, but I found him in his yearbook as a freshman! [Reddit]