Zack S. Rutledge is an ACE Certified Personal Trainer, an ACE Certified Fitness Nutrition Specialist, and a Certified Brain Health Trainer through the Functional Aging Institute. He has a black belt in karate and has practiced yoga for over a decade. He holds an MA from American University in Washington, D.C. Book: https://www.amazon.com/gp/product/B08K3R6ZV5?pf_rd_r=HB826ZVGR407H7T4T7KK&pf_rd_p=edaba0ee-c2fe-4124-9f5d-b31d6b1bfbee