Hector Aaron Lee Rangel is a researcher at the Universidad Autonoma de San Luis Potosi. He earned his B.S. in Animal Science from Chapingo Autonomous University (UACh), Mexico, and his M.Sc. and Ph.D. in Nutrition of Ruminants from Colegio de Postgraduados. He went on a research stay at the Faculty of Veterinary Medicine, National University of La Plata, Buenos Aires, Argentina in 2012, and a research visit at Ohio State University, Ohio in 2018. His main areas of research are Animal Nutrition, Animal Breeding, Small Ruminants, Animal Production, and Feeding.