Well, his unique array of talents seems to come down to:
1. He has a PhD about tiles
2. He makes physical tiles, and
3. He can talk in public about mathematics, and in particular tiles.
I'm sure he's a smart guy and there's lots of places which could benefit from his work, but if everybody starts posting their CVs on HN then... well, maybe it wouldn't be so bad, actually.
Hey, it beats the piss out of Yet Another BS Article About Google, Apple or someone's hot new flaming shit that everyone in the Valley is buzzing about. They call it variety. I've been told it's the spice of life...