Gustavo is a copyeditor from Colombia; he holds a BA degree in Media Communications and Journalism from the Pontificia Universidad Javeriana (Bogotá, Colombia). He has a Diploma in Copyediting from the Cálamo & Cran Academy (Barcelona, Spain). He has worked as a copyeditor and proofreader in important publishing houses, such as Penguin Random-House, Santillana, Planeta, Norma, Panamericana, and Fondo de Cultura Económica, in the publishing offices of top universities in Bogotá, as well as in various professional associations. He has taught numerous courses on writing and copyediting in Spanish in more than 60 Colombian companies, universities such as Javeriana, Rosario, Sabana, UIS, EAN, and CESA (Colombia), as well as at the INCAE Bussines School (San José, Costa Rica) and the Universidad Latina in Panama. He is the author of the books Manual de expresión escrita (2000), Comunicación y política: viejos conflictos, nuevos desafíos (coeditor), Citas y referencias bibliográficas (2006), and Escritura y universidad. Guía para el trabajo académico (2013).