Dr. Errol John V. Valdez holds a Doctor of Philosophy in Development Management, which he earned in March 2019, and a Master in Business Administration completed in March 2007. He is an alumnus of the College of Business, Economics, and Accountancy at Mariano Marcos State University (MMSU-CBEA), where he obtained his Bachelor of Science in Business Administration, major in Management Accounting, in April 2002. 

 In addition to his teaching responsibilities, he is an Accredited Cooperative Training Provider certified by the Cooperative Development Authority (CDA), holding Accreditation No. DMMSU-ACTP-2025-279. He is actively engaged in research and extension programs, contributing to the advancement of community and academic initiatives. His professional development includes participation in numerous competency and skills trainings in business management, business analytics, public financial management, and entrepreneurship. He also serves as a dedicated coach and adviser for various academic and non-academic competitions at the local, regional, national, and international levels. Moreover, he is frequently invited as a resource speaker on a wide range of topics, including entrepreneurship, business and financial management, bookkeeping, personality development, values re-orientation, professional ethics and work values, leadership, and development management.