He's also known for co-writing hit songs like Kelly Clarkson's "Stronger (What Doesn't Kill You)", which was nominated for Song the Year and Record of the Year at the 2013 Grammy Awards.
Han har också co-skrivit hitlåtar som Kelly Clarksons "Stronger (What doesn't kill you)", som nominerats till Song Of The Year och Record of the Year vid 2013 Grammy Awards i USA.