He's summitted Everest, put up first ascents on 5 continents, and free climbed El Cap. Not bad for a guy who went to a ski racing academy and didn't take climbing seriously until he was 22.
"If you use uncut FrictionLabs chalk in a consistent environment, it will outperform any other chalk, and you will literally feel a difference. That's how it was for me. I was climbing in the same gym for weeks, training on the same problems, and I vividly remember the day I used pure FrictionLabs chalk for the first time. The product speaks for itself."