American singer, songwriter, and record producer from Tulsa, Oklahoma. He is best known as the frontman and vocalist for the pop rock band OneRepublic, while also serving as a prolific contributor-by songwriting and production-to material for other artists since the mid-2000s. He has amassed credits on albums and singles for acts including U2, Beyoncé, Leona Lewis, Miley Cyrus, Ed Sheeran, Jonas Brothers, Jennifer Lopez, Camila Cabello, Lady Gaga, Maroon 5, MØ, One Direction, Sugababes, Taylor Swift, Katy Perry, Ariana Grande, Adele, Logic, Paul McCartney, Blackpink, Twice, Bastille, Lil Nas X, Anitta and Tate McRae