Ryan Tedder — American Musician
Ryan Benjamin Tedder is an American singer, songwriter, multi-instrumentalist and producer. He is best known as the frontman of the pop rock band OneRepublic, though he has an independent career as a songwriter and producer for various artists such as Madonna, U2, Adele, Beyoncé, Birdy, Maroon 5, Demi Lovato, Ellie Goulding, B.o.B, Ariana Grande, Kelly Clarkson, K'naan, Carrie Underwood, Jennifer Lopez, Jordin Sparks, Leona Lewis, Gavin DeGraw, Sebastian Ingrosso, Gym Class Heroes, One Direction, James Blunt, Taylor Swift, Gwen Stefani, Far East Movement, Paul Oakenfold, Ella Henderson and Tessanne Chin, winner of NBC's The Voice, season 5. For her he wrote "Tumbling Down.".. (wikipedia)