Published in Malaya Business Insight (2012)

Published in Philippine Daily Inquirer (2008)

Published in Philippine Daily Inquirer (2007)

Published in Philippine Star (2005)

Published in Philippine Star (2005)

Published in Manila Bulletin (2005)

Published in Manila Times (2004)

Published in Manila Times (2004)

Published in Philippine Daily Inquirer (2004)

Published in Philippine Daily Inquirer (2003)