Thomas Troelsen (born 6 October 1981) is a Danish singer, songwriter, and producer from Skive. Troelsen has written and produced songs for Pitbull, Flo Rida, Justin Bieber, David Guetta, Nile Rodgers, Robin Thicke, Charlie Puth, Chris Brown, Robin Schulz, Akon, Meghan Trainor, SHINee, NCT Dream and Junior Senior.