Manuel Luis "Manolo" Casas Quezon III (born May 30, 1970) is a Filipino writer, former television host and a grandson of former Philippine president Manuel L. Quezon. Quezon is a columnist and editorial writer for the Philippine Daily Inquirer. From 2007 to 2010, he was also the host and writer of The Explainer on the cable ABS-CBN News Channel. In 2003, he was named presidential assistant for historical affairs during the presidency of Gloria Macapagal Arroyo. Quezon graduated from the University of the Philippines Diliman with a degree of Bachelor of Arts in political science.