Sergio Díaz De Rojas (b. 1994) is a Peruvian pianist and composer currently based in Valencia, Spain. He has released one album, three EPs, various stand-alone singles, and has participated on diverse initiatives such as Project XII by Deutsche Grammophon, Piano Layers by 7K, and Piano Day by LEITER.

His works have been carefully crafted on limited cassette and vinyl editions, and have been streamed over fifteen million times worldwide. His track Untitled was one of the most celebrated features on Nils Frahm’s Piano Day 2018 playlist, while his piece Istanbul was not only included on the first publication of Upright Editions but was, too, a key element on the birth of the project, according to its founder Garreth Brooke. His music has also been featured on radio stations like KEXP and Flux FM, on well-known Peruvian media outlets Perú21, Radio Filarmonía, and ATV+, and on several music platforms around the globe. In April 2019, he travelled to Germany to perform in Potsdam, Düsseldorf, and Frankfurt, with his appearance at the third edition of Q3Ambientfest being the highlight of his debut tour. 

Along his artistic path, Sergio has worked closely with graphic designer Ryan Carl, experimental filmmaker Müge Yildiz, Potsdam-based duo CEEYS, Spanish photographer and filmmaker Cayetano González, and award-winning composer Jakob Lindhagen, as well as with up-and-coming visual artists Seraphina Theresa, Milly Cope, Ana Monteiro, and Rita Silva. 

Besides his work as a composer and performer, Sergio runs the creative agency and record label piano and coffee co.