Matt Schifferle

Matt Schifferle is a Certified Calisthenics Coach in Denver, Colorado, and a team leader for the Dragon Door Progressive Calisthenics Certification. He is also the founder of the Red Delta Project, a collection of YouTube videos, podcasts, and books about bodyweight training and diet-free healthy eating.

Matt Schifferle is a Certified Calisthenics Coach in Denver, Colorado, and a team leader for the Dragon Door Progressive Calisthenics Certification. He is also the founder of the Red Delta Project, a collection of YouTube videos, podcasts, and books about bodyweight training and diet-free healthy eating. See less