Carlos has a PhD in ELT from Leeds Metropolitan University, UK, and a MA in Education from Universidad Pedagogica Nacional de Colombia. He works as a full-time teacher in the Languages Department in Pontificia Universidad Javeriana, Bogotá. He has more than nineteen years' experience as a teacher as well as researcher in the field of applied linguistics at various universities in Bogotá, and he has written articles and chapters about language methodology and evaluation, language materials and language competences.