Considered one of the best connoisseurs and interpreters of the literature of Gabriel García Márquez, Castillo Mier has dedicated to present in diverse cultural and academic scenarios his vision on the Colombian writer and the meaning of the words in his work. He is Philologist of the Universidad del Atlántico (Barranquilla, Colombia) and Doctor in Hispanic Letters of the Colegio of Mexico (México). In 2014 he was part of the First Gabriel García Márquez Chair in Barranquilla with the paper 'The Feminine Universe of Gabriel García Márquez'. He has been coordinator of the Chair of the Observatory of the Colombian Caribbean and is currently a professor of Literature at the Universidad del Atlántico. He is co-editor of the books 'Meira Delmar, Poetry and Prose', 'Memory without guardians to Rafael Escalona' and 'Rafael Escalona. Charms of a life in songs'. In 2002, he won the National Journalism Prize Simón Bolívar for the best cultural article.