Manlio Márquez-Murillo MD is a graduate of the National Autonomous University of Mexico School of Medicine, and specialized in Internal Medicine at the Salvador Zubirán National Institute of Medical Sciences and Nutrition. He completed cardiology and electrophysiology fellowships at the Ignacio Chávez National Institute of Cardiology in Mexico City, and a training in therapeutic electrophysiology at Jean Rostand Hospital in Paris, France. He is currently an Associate Physician at the Ignacio Chávez National Institute of Cardiology where, in addition to his clinical duties, he carries out research and teaching work. He is a member of the Mexican National Academy of Medicine and the Mexican National System of Investigators (CONACyT). He has served as president of the Mexican EP Society (SOMEEC) and secretary of the Latin American Heart Rhythm Society (LAHRS). He also serves as coordinator of the ""Alliance Against Sudden Death,"" an initiative of the Inter-American Society of Cardiology.