Our Partners

The Team shall provide overall guidance and support to the Engagement Partner and the staff.

santos MARIA ELENA ONGKINGCO-SANTOS
Managing Partner of PrOS & Co., CPAs, has the expertise in comptrollership and treasury functions, taxation, start-up and winding-up operations of businesses and changes in corporate equity. She handled systems audit as well as internal audit of clients involved in real estate development, construction, financing, manufacturing, BPO, trading, car dealership, copying, and hotel operations. Mrs. Santos is married to Engr. Fernando Jose Santos, a contractor.

dellosaMARIA ESPERANZA ROSARIO REBOSA-DELLOSA
Partner of PrOS & Co., CPAs, has expertise in handling every aspect of accounting. Her experience in the private sector includes financial statement preparation, treasury management, payroll preparation, tax compliance, regulatory compliance, and handling BIR audit, financial and accounting services. She also has an experience in accounting systems migration and set-up, management services but not limited to budgeting and forecasting. Before joining the firm, she assumed top management position in a multinational financial institution.

masalunga-jcJULIUS-CAEZAR I. MASALUÑGA
Partner of PrOS & Co., CPAs, has extensive experience in audit, financial accounting and taxation. He has handled external and internal audits of clients in various industries including trading, manufacturing, common carriers, leasing, hotels and restaurants, real estate, IT/software development and non-stock non-profit organizations. His experience in financial accounting involves business start-ups, tax planning and compliance, financial statements preparation and feasibility studies.

masalungaCHRISTINE BARRIDO MASALUÑGA
Partner of PrOS & Co., CPAs has comprehensive experience in financial accounting, financial audit and taxation. Her working experience in the private sector encompassed all facets of accounting from bookkeeping to financial reports and operational analysis; as well as tax and government compliance. Her mindset for continuous improvement of systems to optimize work efficiency had a great impact in improving processes in the previous companies she had been involved in. She also has experience in internal audit as well as BIR audit.

The Engagement Partner is chosen from the team enumerated above according to the partner’s expertise and experience in order to optimize the contribution of PrOS & Co., CPAs to the client.