Commission on Audit (COA) Chairperson Michael G. Aguinaldo was appointed to head the Supreme Audit Institution on March 24, 2015. Chairperson Aguinaldo is a lawyer with extensive legal, governance and administration expertise acquired from 23 years of professional work as private law practitioner, government official and professor.

Prior to his appointment to COA, Chairperson Aguinaldo was the Deputy Executive Secretary for Legal Affairs of the Office of the President, handling formulation of operational policies, standards and processes for efficient and effective provision of legal and legislative assistance and services to the organizational units of the Office of the President and the different departments and government agencies.

As Deputy Executive Secretary, he reviewed and prepared decisions on appeals from resolutions, orders and actions of different departments under the jurisdiction of the President and petitions for executive clemency. He also reviewed and submitted recommendations on proposed bills and enrolled bills passed by Congress, the legality of treaties, conventions and executive agreements entered into by the government with other countries for consideration of the President.

He headed the Investigation and Adjudication Office (formerly the Presidential Anti-Graft Commission) and oversaw the implementation of integrity initiatives consistent with the United Nations Convention Against Corruption.

Before joining government, Chairperson Aguinaldo was a partner and member of the Executive Committee of the Romulo Mabanta Buenaventura Sayoc & de los Angeles law firm. Having been with the law firm for 17 years, Chairperson Aguinaldo acquired extensive expertise handling special projects, particularly in infrastructure, telecommunications and energy sectors. He has extensive experience in the conduct of legal audit and due diligence of acquisitions and mergers and in compliance-related matters for both foreign and domestic corporations. He has also handled litigation and arbitration for both domestic and international clients in civil, tax, securities and labor cases, and petitions and appeals before the Court of Appeals and the Supreme Court.

Chairperson Aguinaldo is also a faculty member of the Ateneo de Manila University School of Law, and has taught courses in Obligations and Contracts, Credit Transactions, Legal Forms, Labor Relations, Labor Standards Law and Negotiation Seminar.

He obtained his law degree from the Ateneo in April 1992. Afterwards, he worked as an associate at the De Borja Medialdea Ata Bello Guevara and Serapio law office.

Chairperson Aguinaldo also holds a Special Degree in International Economic Law obtained from the University of Michigan in Ann Arbor, Michigan in May, 1997. He placed 7th in the 1992 Philippine Bar Examinations.