Maria Lourdes Sierra

Maria Lourdes Sierra, CPA, serves as the Finance Manager at Power Mac Center since February 2018, overseeing the organization's financial activities and ensuring compliance with regulatory reporting and tax filings. Prior experience includes serving as Financial Controller at Ultimate Energy System, managing finance and accounting functions for companies in the Philippines and Hong Kong, and as Finance Manager at Johnson Controls, where responsibilities included financial support for major accounts and management reporting. Additionally, Maria has held the position of General Accounting Supervisor at Shogun Ships Co., Inc., focusing on financial reporting and compliance with local statutory requirements. Maria holds a Bachelor of Science in Accountancy from Jobs for Business and Arts, earned between 1998 and 2003.