Mark wears many hats. Including: Air Force Reserve lieutenant colonel, family medicine, professor at the West Virginia University School of Medicine and conducts Healthy Running Medical Education courses. Mark has been a runner for over four decades and owns the first minimalist running and walking store, Two Rivers Treads. He is the author of, "Run for Your Life." HPO Sponsor Discounts, Promos, & Links: zachbitter.com/hposponsors  LMNT: drinkLMNT.com/HPO InsideTracker: insidetracker.com promo code: HPOPRO25 Support HPO: patreon.com/HPOpodcast or zachbitter.com/hpo Zach’s Training Plans: zachbitter.com/training-plans Zach: zachbitter.com IG: @zachbitter Tw: @zbitter FB: @zach.bitter Strava: Zach Bitter Mark: drmarksdesk.com IG: @markcucuzzella  Two Rivers Treads Page: www.tworiverstreads.com