Under Secretary Lilia Guillermo is also the Chief Information Officer of the Department of Budget and Management of the Philippines. Given her competence and experience in financial matters, systems analysis and management information systems, USec. Guillermo takes charge of managing and developing budget information systems.
A graduate of BS Statistics and MS Industrial Engineering at the University of the Philippines, with a Master's Degree in Public Administration, USec. Guillermo started her career in government at the National Economic and Development Authority (NEDA) as an Economic Researcher.
After a few months, she transferred to the Bureau of Internal Revenue (BIR) where she stayed for 39 years. Starting as a Senior Revenue Statistician, she rose from the ranks and became one of its Deputy Commissioners in charge of Information and Communications Technology.
USec. Lilia is a member of the Philippine Computer Society and the Chief Information Officer Forum, Inc. where she also served as president in 2006 to 2008, and in 2013 to 2014.