Irvin Oquias Bequillo transferred to the College of Agriculture and Natural Resources (CANR) as Instructor I on August 1, 2019, from the National Farmer Scientists Training Program (FSTP) as Research, Extension, and Professional Staff (REPS) of the Agricultural Systems Institute (ASI) in the College of Agriculture and Food Science (CAFS), University of the Philippines Los Banos (UPLB). He holds a Civil Service Professional Eligibility and a License Agriculturist. He was designated as Crop Production Manager, Special Crop Production In-Charge, and Manager of the Technology and Livelihood Center (TLC) at Campus B of CNSC-Labo. He also trained as an Internal Auditor for Quality Assurance under the Production Team as a Member and Team Leader. He is the current Extension Services Coordinator the College Coordinator of the National Service Training Program (NSTP) and a Component Faculty Implementer of the Civic Welfare Training Service (CWTS). His experiences as a Volunteer from the Ugnayan ng Pahinungod, UPLB made him a Focal Person for the Philippine National Volunteer Service Coordinating Agency (PNVSCA) of CNSC to promote volunteerism among students, faculty, employees, and alumni. 

Mr. Bequillo is a member of various organizations such as the Philippine Association of Agriculturists (PAA)-Canarium ovatum Chapter, UP REPS Society, UP Society of Agronomy Alumni, UPLB Alumni Association, and different Cooperatives like the Laguna Prime MPC (UPLB CDC), Camarines Norte Permaculture Agriculture Cooperative (CaNoPeACe), Holy Rosary MPC, Jose Panganiban Primary Hospital Cooperative, Labo Progressive MPC, Talisayon MPC and the President of the College of Agriculture Faculty and Employees Association (CAFEA).

His expertise in the different farming systems nationwide, agronomy, crop production, and management particularly his experiences in the community for documentation of the Indigenous Knowledge Systems and Practices of the Batak Tribe in Roxas, Palawan made him closer to the Indigenous Peoples (IPs) where he was assigned in different community outreach and extension projects such as the Mangyan & Tau Buid Tribes in Oriental and Occidental Mindoro, Aetas of Bamban, Tarlac and Mabalacat, Pampanga and all the farmers of the different FSTP Associations/Cooperatives organized nationwide. He also served as the Technical, Admin and Finance Staff Pambansang Inisyatibo sa Binhi at Likas-kayang Pagsasaka sa Pilipinas (PABINHI Pilipinas, Inc.) or National Initiative on Seeds and Sustainable Agriculture in the Philippines in partnership with the Resource Efficient Agricultural Production (REAP)-Canada under the Agriculture Fund Environment and Sustainable Development Program (ESDP), Projects and Innovation Unit – Canadian Partnership Branch, Canadian International Development Agency (CIDA). He also served as Technical Assistant of the Volens Itinerans-University of the Philippines(UP) Education Research Program(ERP)/Center for Integrative & Development Studies (CIDS)-Saragpunta Federation of Northern Tagbanua Communities collaborative program on sustainable development in Calamian Tagbanua, Northern Palawan assisted in the implementation of Palay-Aralan cum Gulayan of the Technical Working Group in Agriculture of the project.