Garrett Hamler, (born March 30, 1979) better known by his stage name Sean Garrett is an American singer, rapper, songwriter and record producer. He has produced fifteen number one singles in only seven years of producing music. That number puts him in fifth place on the Billboard list of producers with the most number one hits. Garrett is the only producer to achieve this measure of success in under a decade, and is also the only active hip hop producer that is mentioned on the Billboard list of producers with the most number one hits.