Jason Gregory Evigan (born June 10, 1983) is an American musician, singer, songwriter, and record producer. His songwriting credits include co-writing and production of Maroon 5's "Girls Like You" and "What Lovers Do", Madonna's "Ghosttown", Demi Lovato's "Heart Attack", the Jason Derulo and 2 Chainz featured three-time platinum "Talk Dirty", David Guetta's "Lovers on the Sun", and Robin Schulz's "Shed a Light".