Rúben Francisco is an emerging researcher whose current work focuses on the study of underhydrated individuals, with a particular interest in understanding the effects of underhydration on physical performance and overall health. His research is dedicated to advancing the field by expanding the scientific understanding of innovative methods for hydration assessment, exploring novel techniques and approaches to accurately evaluate hydration status in diverse populations. Since 2017, Rúben Francisco has held academic appointments in higher education, contributing to institutions such as the Faculty of Human Kinetics (FMH) and the Escola Superior de Desporto de Rio Maior (ESDRM). He is a frequent speaker at national and international scientific conferences and events, where he disseminates his research and shares expertise with multidisciplinary audiences. His academic contributions include over 30 peer-reviewed publications and several book chapters in the areas of exercise science and health. In recognition of his academic excellence, he was awarded the distinction of best undergraduate student in 2017 and later completed his Ph.D. with the highest possible honors—unanimously approved with distinction and praise. Despite being in the early stages of his academic career, he is already supervising both master's and doctoral students, reflecting his strong commitment to academic mentorship and research training. He has been actively involved in teaching since 2017, with experience across a wide range of curricular units at FMH and ESDRM. Additionally, he regularly participates as a guest lecturer in academic events targeting students in Sports Science, Nutrition, Physiotherapy, and Medicine. He also collaborates with the renowned professional training center “Centro de Formação Clínica das Conchas,” contributing to the continuing education of professionals in the fields of exercise and health sciences. Rúben Francisco's scientific productivity is notable, particularly considering the recency of his doctoral degree, with more than 30 scientific publications evidencing his dedication to research and scholarly dissemination. He currently serves as pedagogical coordinator of the postgraduate course “Exercise and Nutrition for Weight Loss” at Clínica das Conchas, demonstrating his leadership and capacity to coordinate educational programs and interdisciplinary teams. Throughout his career, he has consistently engaged in multidisciplinary environments, both as a researcher and as an applied exercise physiologist. His work at the Exercise and Health Laboratory at FMH involves close collaboration with professionals from medicine, physiotherapy, and nutrition. This integrative approach is also reflected in his scientific output, which frequently includes contributions from experts across multiple domains of health and science.