 Career Polytechnic University of the Philippines ( 2005present ) In 2004, Mercado first sat as the Acting Director of PUP Ragay.
<meaning-changed>  Career Polytechnic University of the Philippines ( 2005present ) In 2004, Mercado first sat as the Acting Director of PUP Ragay.
 Career Polytechnic University of the Philippines ( 20052018 ) In 2004, Mercado first sat as the Acting Director of PUP Ragay.