Nicolás Ortiz-López, MD, is a physician specializing in Internal Medicine at the Hospital Clínico Universidad de Chile and a doctoral candidate in Medical Sciences at the Universidad de Chile. He received his medical degree from the Universidad de Chile in 2021 and is currently pursuing his PhD under the supervision of Professors Jaime Poniachik and Rodrigo Valenzuela. His clinical practice and research are focused on hepatology, particularly on metabolic dysfunction-associated steatotic liver disease (MASLD) and other chronic liver conditions. He has authored several peer-reviewed publications in international journals covering topics such as the gut–liver axis, psychological stress, small intestinal bacterial overgrowth, and chronic liver damage in primary health care. Dr. Ortiz-López is an active member of the Asociación Latinoamericana para el Estudio del Hígado (ALEH) and participates in the VALDIG collaborative network. He has received recognition for his academic work and remains committed to advancing translational research in liver disease and improving patient care.