Geoff received his PhD from the University of Michigan, and works at the Michigan Research Performance Laboratory. He has placed 5th twice at the World 100 KM Championships, and won the 100 KM National Championship in 2016.  Episode Sponsor: Optimal Carnivore: Organ Complex https://www.amazon.com/dp/B07TV43WYD & Bone Marrow https://www.amazon.com/dp/B0845WP28C code: humansave10 BiOptimizers - www.magbreakthrough.com/human promo code: human10 LMNT - drinkLMNT.com/HPO Support the show: - https://www.patreon.com/HPOpodcast or https://www.paypal.me/hpopod Souls for Soles Article:  https://www.geoffreyburns.com/stream/trading-souls-for-soles  Website: https://zachbitter.com, https://www.geoffreyburns.com/  Instagram handles: @zachbitter, @geoffreyburns  Twitter handles: @zbitter, @geoffreyburns  Facebook handles: @zach.bitter YouTube: Zach (https://www.youtube.com/c/ZachBitterUltra)  Consultation with Zach: https://calendly.com/zbittercoaching  If you would like to contact the show, please send your emails to hpopodcast@gmail.com