Co-wrote Katy Perry's "Waking Up in Vegas", Co-wrote NSYNC's "Bye, Bye, Bye", Co-wrote Backstreet Boy's "I Want it That Way"

Rock, Pop

Bon Jovi, Katy Perry, 'N Sync, Backstreet Boys, Clay Aiken, Def Leppard, Celine Dion, Hilary Duff, LeAnn Rimes, Britney Spears, Carrie Underwood, Westlife, Jesse McCartney, Lindsay Lohan and Diana DeGarmo among others.