Efren G. Manez, BSc. Mech. Eng’g., began his professional practice in the field of maintenance in 1976. Since then, his calling continuously pursued only 2 major fields of discipline and occupational applications which are the assets operation and maintenance scheme set ups (including their hands-on management) and construction project management while then working for the various well-reputed companies and organizations. His works mostly brought him to different South East Asian countries. The protracted overseas assignment and many travels provided him the opportunities of doing close collaborative works and studies with his foreign (Asian and Western) counterparts and similar trade practitioners. In July 1996, he permanently based himself in the Philippines and switched to freelance facility maintenance management consultancy while at the same time did select project management stint for an international project management firm. Among his past maintenance and construction project management applications included fleets of transports and construction heavy equipment, and landmark structures (grand sultanate palace, five-star hotel, high-end office condominiums, cultural center, etc.). In addition, the two major geothermal – electric power generation – facilities operated by one of the leading multinational companies where the author worked (1998 – 2005) as its main maintenance consultant assisting in the development and oversight of their overall maintenance program. His consultancy works generally included, among others, the conduct of lectures and workshops on maintenance programs development, oversight on their actual development and implementation; periodic maintenance audits, and business processes and manning review. His long professional practice also unavoidably entailed the technical collaborations with other specialty consultants and service providers for the affiliated fields and programs such as the assets computerized management, building energy management, maintenance inventory management, water treatment co-management, equipment condition monitoring, equipment operating statistics, and other sundry related ones. He is the founding Director of the ‘EGM’ Facility Maintenance Management Consultancy Services, registered and based in Metro Manila, Philippines.