Answer
Jack Antonoff has won eight Grammy Awards. He won his first Grammy in 2012 for Best Engineered Album, Non-Classical for Fun's Some Nights. He has since won two more Grammys for Best Engineered Album, Non-Classical, one for Best Pop Duo/Group Performance for "Supercut" by Lorde, and one for "Bad Blood" by Taylor Swift. Antonoff also won two Grammys for Producer of the Year, Non-Classical in 2018 and 2019.