Mariana Surillo is a documentary filmmaker based in San Juan, Puerto Rico. As a producer, Surillo has worked for companies such as Part2 Pictures, Jigsaw Productions, Futuro Media, and Audacious Women. Surillo is currently producing a documentary film for PBS American Masters. Her recent projects include working as an Archival Producer for the upcoming documentary series, World Eats Bread, for National Geographic. She has associate produced feature documentaries such as, After Uvalde: Guns, Griefs, and Texas Politics for PBS FRONTLINE, and award-winning women’s history digital docu-series UNLADYLIKE2020 for PBS American Masters. Surillo was also the Story Producer for Earthrise's explainer series, Spotlight, a digital series on climate change solutions part of Bloomberg's Getting Warmer with Kal Penn. She also worked as a researcher for Jigsaw's limited HBO Emmy nominated series, Unveiled: Surviving La Luz del Mundo.

Surillo also works in the field of public health communications and information design, and her work has been published in Scientific American, Museum of London, National Institute of Environmental Health and Sciences, Nexus Media News, and HuffPost. Surillo holds an MPH in Global Environmental Health from Milken Institute School of Public Health at George Washington University.