Dr. Luke

Łukasz Sebastian Gottwald, known professionally as Dr. Luke, Tyson Trax, and Made in China, is an American songwriter and record producer. His professional music career began in the late-night television sketch comedy show Saturday Night Live as its house band's lead guitarist in 1996 and producing remixes for artists such as Bon Jovi and Gravediggaz. He came into music prominence in 2004 for producing Kelly Clarkson's single "Since U Been Gone" with Swedish record producer Max Martin.