Maria Niña Rica T. Cantalejo is a BS Biology Major in Systematics student of the University of the Philippines Los Baños. She is currently doing her study on hymenopterans under the supervision of her adviser, Prof. Kristine O. Abenis.

Niña has taken interest in the diversity, collection, identification and conservation of arthropods. She aims to contribute biodiversity assessment studies to the country, especially to her province, Masbate. She is also a member of the UPLB Masbateños and the UP Cell Biological Society.