Ilsey is a singer/songwriter from California, U.S.A. Daughter of Hope Juber and Laurence Juber and sister of Nico Juber.

She has written and co-written songs for artists like Shawn Mendes, Martin Garrix, Bebe Rexha, Mark Ronson, Lykke Li, Panic! at the Disco, Beyonce, Camila Cabello, Rita Ora, Pitbull, Jennifer Lopez, Drake, Mariah Carey, Major Lazer, and more since 2014.