The New Bidding Documents for Procurement of Infrastructure

He is a practitioner, lecturer, consultant, and adviser to many national and local government agencies, private companies, and law firms on procurement law. His expertise in public procurements was honed by his former government positions:

- President and Chief Operations Officer, NORTHRAIL Corporation
- Deputy Administrator, Metropolitan Waterworks and Sewerage System
- Executive Director of the National Solid Waste Management
  Commission and the Pasig River Rehabilitation Commission

After leaving government service in 2018, he earned his Public Procurement Specialist Certification from the Government Procurement Policy Board (GPPB) and National Engineering Center of the University of the Philippines (UP-NEC) and has since become a regular lecturer on Government Procurements for the MCLE Programs of the UP College of Law - Institute for the Administration of Justice.

He currently serves as Senior Policy and Legal Adviser for the USAID Clean Cities Blue Ocean project for Fiji, Micronesia & Papua New Guinea and in similar capacity for the 3R PROMAR Project of GIZ.