I am Ricardo R. Dela Sierra, 46 years old, happily married to Mary Grace Concepcion Villagracia- Dela Sierra and I have four beautiful kids. I am currently completing my Masteral Degree in Environmental and Natural Resources Management at the University of the Philippines. I graduated from Mapua Institute of Technology with the Degree of Bachelor of Science in Geology. I also have units of Pre-school Specialization Course from The Center for Early Childhood Care and Development. I am a licensed Geologist and a licensed Real Estate Broker. I have 20 years of work experience combining tutoring, broadcasting, training, administration, technical, management, inventory, promotional, advertising, sales and marketing, research, billing and pioneering. I was Junior Open-Pit Geologist and Engineering Geologist in Masbate Gold Operations of Atlas Consolidated Mining and Development Corporation and was an Exploration Geologist of Benguet Corporation. On the side, I produced, wrote, edited and broadcasted at AM Radio Stations such as DWBL, DWSS and DZXQ. Four years ago, I started tutoring Elementary and High School students from Miriam College, Dela Salle University, St. Scholastica Academy, Infant Jesus Academy, Marist School, Our Lady of Perpetual Succor College and other private schools in Marikina City. I also conduct Product Seminar, Training and Presentation.