PJ, X Gym founder, and exercise physiologist is also a scientist and a biohacker. What’s a biohacker you ask? The official definition is “Somebody who uses science and technology to make his or her body function better and more efficiently.”

Still wondering what that means? You’re not alone. The videos below (more added every week) might help explain how PJ uses science and technology to hack fitness, health, and anti-aging, in his never-ending quest to find new tips, tricks, and shortcuts for his X Gym members.