John Carlo F. Pacia is a registered chemist working as a University Research Associate II stationed at the Animal Nutrition Analytical Service Laboratory at the Institute of Animal Science. He is a graduate of BS Agricultural Chemistry and inclined in Analytical Chemistry application in Agriculture and Environment. His undergraduate thesis is optimization of parameters for colorimetric determination of arsenic. His past researches include post-harvest shelf life extension of valuable fruits via coating and development of methods for analysis of organic fertilizer.