Born in Toluca, a small city in central Mexico, Chimal saw his first books published before he was twenty. Now he is critically well regarded as one of the most talented and original writers of his country, and has a faithful and growing audience for his work. Some of his books, stories and essays have been translated into a dozen languages. He has been featured in many anthologies both in Mexico and abroad, and is also a very busy and sought-after literature professor and creative writing teacher. He lives in Mexico City with his wife, writer Raquel Castro, and a cat. He has written novels, short stories, children's books, essays, creative writing primers and manuals, and movie scripts. In 2021, he was the first Mexican writer to pen a Batman story for DC Comics international anthology Batman:The World.