Daniel Velázquez Díaz, PhD, is a postdoctoral researcher in Exercise and Health Sciences. He holds a PhD in Physical Activity and Health Sciences and has served as a faculty member in the Department of Physical Education at the University of Cádiz (Spain). He was awarded a competitive FPI predoctoral fellowship for his doctoral training and a prestigious Margarita Salas postdoctoral fellowship, which enabled him to conduct research during 2022–2023 at the University of Pittsburgh (PA, USA) and AdventHealth Research Institute (FL, USA), participating in several NIH-funded projects. Dr. Velázquez Díaz has been involved in European, national, and international research projects focused on exercise physiology, nutrition, metabolism, and health-related fitness. His research interests center on the interactions between dietary intake, metabolic responses, physical performance, and recovery in both athletic and healthy populations. He has also led an educational innovation project organizing international online seminars for Master’s and PhD students from Europe, America, and Africa. He has accumulated over 30 months of research stays at internationally recognized institutions and has authored 28 JCR-indexed articles, 24 book chapters, and more than 60 conference contributions. In addition, he actively participates in knowledge transfer and science dissemination activities within the field of physical activity, nutrition, and health.