His short fiction has appeared in The New Yorker magazine, which listed him as one of the 20 top writers for the 21st century.[16] He has also been published in Story, The Paris Review, and in the anthologies The Best American Short Stories four times (1996, 1997, 1999, 2000), The PEN/O. Henry Prize Stories (2009), and African Voices. He is best known for his two major works: the short story collection Drown (1996) and the novel The Brief Wondrous Life of Oscar Wao (2007). Both were published to critical acclaim and he won the 2008 Pulitzer Prize for Fiction for the latter. Diaz himself has described his writing style as "[...] a disobedient child of New Jersey and the Dominican Republic if that can be possibly imagined with way too much education."[17]
Díaz has received a Eugene McDermott Award, a fellowship from the John Simon Guggenheim Memorial Foundation, a Lila Acheson Wallace Readers Digest Award, the 2002