Pam started her career and spent seven years with Mendoza Querido & Co. She performed audit and tax services for various companies in the field of manufacturing, manning agency, merchandising, stock brokerage firms, banking, online gaming, trusts, non-profit organizations, cooperatives, power generation, property management, and BPO.

After her stint in the public practice, she held various tax positions in the private industry. Before re-joining Mendoza Querido & Co., she was the Tax Head - OIC of Global Business Power Corporation, a wholly-owned subsidiary of Meralco PowerGen Corporation (MGen). As Tax Head, she managed the tax compliance and planning function and provides taxation services across the business. She spearheaded various tax initiatives aimed at mitigating tax risks of the company.

Pam is a graduate of University of Santo Tomas with a degree in Bachelor of Science in Accountancy. She is a certified public accountant (CPA) and a member of Philippine Institute of Certified Public Accountants (PICPA).