To create the personalized, pro-inspired workouts in the Gx app, Dan Schaefer, PhD. had to focus more "quality of movement and exercise" rather than get stuck on included specific exercises. 

In this discussion, the former Florida State University strength and conditioning coach and current assistant professor pulls back the curtain on his career progression, his advice for others who want to become S&C coaches, and where he'd like to see the Gx app in the future.

More info and interviews from the GSSI and Gx team here.