Kara DioGuardi

Kara Elizabeth DioGuardi (; born December 9, 1970) is an American singer-songwriter, record producer, music publisher, A&R executive, composer and TV personality. She writes music primarily in the light pop-rock, dance, and R&B genres. DioGuardi has worked with many popular artists; Total albums on which her songs have appeared exceeds 159 million worldwide. DioGuardi is a Grammy nominated writer, 2011 NAMM Music For Life Award winner, 2009 NMPA Songwriter Icon Award winner, 2007 BMI Pop Songwriter of the Year, and has received 15 BMI Awards for co-writing the most performed songs on the radio.

source: Wikipedia