Sergio Aguayo is a Researcher at Colegio de México and has taught at the Centro de Investigación y Docencia Económicas (CIDE), the Universidad Nacional Autónoma de México (UNAM) and been a guest teacher at various national and international universities.
He was a founding member of the newspaper La Jornada and the magazine Este País. He is a columnist for Reforma and other Mexican newspapers, and participates as an analyst on the television show Primer Plano, a political analysis show broadcast on the Instituto Politécnico Nacional's XEIPN (Channel 11), for which he received the José Pagés Llergo Journalism Prize . Additionally, he is a guest columnist for the Spanish newspaper El País.