Leo Jenkins is a contributing editor for Coffee or Die Magazine, and the acclaimed author of Lest We Forget, On Assimilation, First Train Out of Denver, and With a Pen. Since his time as an Army Ranger medic, Leo has traveled through over fifty countries and competed at an elite level in both triathlon and CrossFit, while racking up over 10,000 hours of hands-on coaching experience in Olympic weightlifting, running, swimming, cycling, and cross-training.