Zach coined the phrase “cotton impingement” after years of researching how much he hates shirts. He now uses this “scientific breakthrough” as justification to never wear a shirt. Zach also eats more than a pregnant rhinoceros. He’s the one that will usually be programming your workouts. He’s an excercise nerd. And a comic book nerd. What I’m trying to say is: Zach’s a nerd.