Rostam Batmanglij (Persian: رستم باتمانقلیج, IPA: [rosˈtæm bɒːtmɒːŋɢeˈliːdʒ]; born November 28, 1983), known mononymously as Rostam, is an American record producer, musician, singer, songwriter, and composer. He was a founding member of the band Vampire Weekend, whose first three albums he produced. He has been described by Stereogum as one of the greatest pop and indie-rock producers of his generation. Rostam also works as a solo artist and is a member of electro-soul group Discovery. He produced his first number-one album, Vampire Weekend's Contra, when he was 27 years old.

Batmanglij has been nominated for three Grammy Awards: twice for Best Alternative Music Album with Vampire Weekend (winning for Modern Vampires of the City) and once for Album of the Year as producer of Haim's Women in Music Pt. III.

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