Peter Edward Kirtley (born 14 April 1972) is an English songwriter, and record producer. He has produced over 150 records worldwide with sales exceeding 12 million, including seven number-one hit singles worldwide, tracks on seven number-one albums, eight UK top-ten hits and thirty-five top-forty hits in Europe. He has written and/or produced for artists such as the Sugababes, Hear'Say, Armin Van Buuren, Tiësto, Kim Wilde, Mutya Buena, Boyzone, Newton Faulkner, Alexander O'Neal, Peter Andre, Lee Ryan, Heather Small and Ray Lewis of The Drifters. His production collaborations include Ryan Tedder, Guy Chambers and Stargate.