Mark Heimann, a GM-elect, research scientist, and powerlifter, shares his incredible journey from being an inactive FM to earning his GM title in just three years. He discusses the mindset shift that fueled his comeback, emphasizing confidence over fear in high-stakes matches against top players like Caruana. Mark also highlights the balance between chess and powerlifting, reflecting on how both disciplines require dedication. He reflects on the influence of chess literature and early competitive experiences, revealing how personal fulfillment drives improvement in both his passions.