Emanuel "Eman" Kiriakou is an American songwriter, producer, singer, and multi-instrumentalist, based in Los Angeles. He co-wrote and produced the Billboard Hot 100 charting singles, "What's Left of Me" by Nick Lachey, "Crush" by David Archuleta, "Who Says" by Selena Gomez & the Scene, and "Tonight Tonight" by Hot Chelle Rae. He has also collaborated with Jordin Sparks, Celine Dion, and Backstreet Boys.