Bio: Serious athletes and coaches only. Learn how to train, adjust, and progress like the elite. Weekly breakdowns and direct feedback

Bio: Chris Duffin is a freakishly strong, crazy engineer, who likes testing the limits of physicality, intellect, and creativity.

Bio: Creator of Kinobody and Kino Mojo! Helping hundreds of thousands of men and women look like Movie Stars with less work.

Bio: Pro dunker with a world record 50.5 inch vertical!