Roberto is a graduate of the Yale School of Drama.
Writing for the stage includes: Spiderman: Turn off the Dark (Broadway); Abigail/1702 (New York Stage and Film / Cincinatti Playhouse in the Park / City Theatre, Pittsburgh); Doctor Cerberus (South Coast Repertory / LA Theatreworks, California); The Picture of Dorian Gray (Roundhouse Theatre, Maryland); King of Shadows (Working Theatre, New York); Good Boys and True (Steppenwolf Theatre, Chicago / 2econd Stage Theatre, New York); Based on a Totally True Story (Manhattan Theatre Club); The Mystery Plays (2econd Stage Theatre / Yale Repertory Theatre); The Velvet Sky (Woolly Mammoth Theatre, Washington D.C.); The Muckle Man (City Theatre); Dark Matters (Rattlestick Playwrights Theatre, New York); Rough Magic (Hangar Theatre, New York); The Weird (Dad's Garage Theatre, Atlanta); It's a Bird, It's a Plane, It's SUPERMAN (Dallas Theatre Center).
Television includes: Big Love; Glee.
Film includes: Carrie; The Town that Dreaded Sundown.
Roberto has also written for Marvel and Archie Comics, including an adaptation of Stephen King's The Stand and the current Archie zombie epic Afterlife with Archie. He was the recipient of the 2009 Horizon Award from the National Hispanic Foundation for the Arts and twice been nominated for GLAAD Media Awards for his plays Say You Love Satan and Golden Age.