 Some of the artists he's written for include Mary J Blige, Brian McKnight, LL Cool J, Amerie, Charlie Wilson, Monica, Tyrese, Kevin Lyttle, Mario, Chris Brown and Darius Rucker (of Hootie and the Blowfish).In 2003 he collaborated with Usher on Confessions, lending his pen to "Caught Up", "Super Star" and "Follow Me".Beyond his song writing, Ryan was also part of the R&B trio, City High.