Cuban-born, Zaldívar lives and works in the United States. He completed both his BFA and a Masters of Fine Arts at New York University's Tisch School of the Arts, where he has also taught as an adjunct faculty. He has also taught as full-time faculty at Miami International University's Institute of Art and Design.
Zaldívar started his film career as a sound editor and designer, his work can be heard in Academy Nominated films such as Ang Lee's "Sense and Sensibility;" "On the ropes" and on HBO’s America Undercover, for which he garnered an Emmy nomination.
His film and video art works have screened at many festivals worldwide and broadcast on PBS, ABC, IFC, Showtime and WE. He is the recipient of numerous grants and awards. His directing credits include "90 Miles" (PBS), "The Story of the Red Rose" (Showtime), "Palingenesis" and "Soldiers Pay" (IFC), co-directed with David O. Russell (Three Kings, The Fighter) and Tricia Regan (Autism, the musical).
He has served as a Juror for several mayor film festivals including the Sundance International Film Festival. He is a Sundance Film Institute alumnus. He has recently co-founded the Miami Filmmakers Collective with a generous grant from the John S. and James L. Knight Foundation Art Challenge grant and a matching grant from the Dade Countty Department of Cultural Affairs.