Marcelo Hernandez Castillo was born in Zacatecas, Mexico, and immigrated to California with his family at the age of five. He received a BA from Sacramento State University and an MFA from the University of Michigan. Castillo is the author of Cenzontle (BOA Editions, 2018), which was chosen by Brenda Shaughnessy as the winner of the 2017 A. Poulin, Jr. Prize. A founding member of the Undocupoets, he teaches poetry to incarcerated youth and also teaches at the Ashland University low-res MFA program. He lives in Marysville, California.