The author is a Bicolano who hails from Binanuahan, Pilar, Sorsogon, Philippines. Having lived half of his lifetime on the same locality, he devoted most of his time to learn practical things through observations and several failed attempts. Because of his ardent desire and persistence to harness, develop and maximize everything that he has to its fullest potential, he was able to achieve a certain level of mastery on matters which is of prime significance. He is passionate about a lot of things. He is simultaneously a teacher, carpenter, composer, inventor, mathematician, choir and acoustic band member, frequent user of Microsoft Excel and Google Sheets to solve work – related problems and, with the publication of three of his books, an author. His first book entitled “Encounters with the Pen” was released sometime in May 2021 by Ukiyoto Publishing. It is a collection of his personal essays written from 2009 – 2015. His second book is about all the things he know in Google Sheets that made all clerical works related to his profession as a teacher a lot more easier. The book was given the title "Street - Smart Google Sheets" released in mid June 2021. He discovered a mental system of the calendar for both the Julian and Gregorian Calendar (January 1, 0001 – December 31, 9999) sometime in March 1998. The system that he developed was published in the book "Perpetual Calendar Formula" launched in early July 2021.