About the Content Creator:

* Head, Mathematics Department, Makati Science High School
* Trainer of the team who won First Place in the 2014 Metrobank-MTAP-DepEd Math Challenge National Team Oral Competition
* 2012 MTAP Exemplary Teacher Awardee
* One of the authors, Pre Calculus Teacher's Guide and Learners Material
* Resource Speaker in various National, Regional and Division-wide Seminar-Workshops conducted by DepEd, MTAP and Casio
Philippines since 2012 up to present