Rostam Batmanglij, known mononymously as Rostam, is a GRAMMY® Award-winning songwriter, producer, and composer. One of the founding members of Vampire Weekend and producer of their first three albums, he has been described as one of the great pop and indie-rock producers of his generation, having produced for some of the most important artists of the last decade including Frank Ocean, Clairo, Charli XCX, Maggie Rogers, HAIM, Solange, Lykke Li, Santigold, Carly Rae Jepsen, Hamilton Leithauser and many others. In recent years, he has maintained an astonishingly varied and intensely busy career, releasing two critically acclaimed solo albums—2017’s Half-Light and 2020’s Changephobia—while also producing records for HAIM (2020’s Women in Music Pt. III, nominated for Album of the Year at the 63rd GRAMMY® Awards and 2025’s I quit, nominated for Best Rock Album at the 68th GRAMMY® Awards), Clairo (2019’s Immunity), Vagabon (2023’s Sorry I Haven’t Called), Leith Ross (2025’s I Can See the Future), and Georgia (2023’s Euphoric), as well as composing for film and television, including 2016’s The OA and 2023’s The Persian Version. 2026 sees the release of his third studio album American Stories.