Diana Nguyen, MS, RDN, LDN, CSSD, CSCS, ISAK-2
CEO and Founder of Tier One Nutrition and Lead Performance Dietitian with ALLO Performance, based in Raleigh, North Carolina. With 18 years of experience in performance nutrition and human performance, she specializes in helping high-performing individuals fuel their bodies. Diana works with athletes, military personnel, first responders, and high-performing professionals, integrating sports nutrition, functional nutrition, and strength and conditioning principles into practical strategies that support real-world performance demands. Beyond her professional work, Diana enjoys Brazilian Jiu-Jitsu, Muay Thai, running, cooking, and coaching youth soccer. She believes success is ultimately measured by the impact we have on the people around us and strives to be known for how she makes people feel, which is valued, heard, and understood while providing the elite performance nutrition care they need to achieve their goals.