About Us

Board Of Directors

Our leadership team leverages decades of combined expertise across infrastructure, water systems, environmental management, and project development.

Rodrigo O. Yabut
Chairman and Vice President of Business Development
Julius Caesar S. Iglesia
President & Vice Chairman
Officer
Merito B. Mabunga
Director and Lead Civil Engineer
Officer
Jerry R. Palma
Director & Corporate Secretary
Officer
Maricel E. Yabut
Director & Treasurer
Officer
Lyn R. Iglesia
Director & Asst. Corp. Secretary
Officer
Elmer S. Ceguerra
Director & Sr. Project Manager
Officer
Antonio F. Garcia
Adviser to the Board

Board Committees

Joash Surio
Joash V. Surio
Chairman of Finance Committee
Members :
  • Jerry Palma
  • Lyn Iglesia
  • Maricel Yabut
Rodrigo O. Yabut
Chairman of Business Development Committee
Members :
  • Elmer Ceguerra
  • Merito Mabunga
Julius Caesar S. Iglesia
Chairman of Governance Committee
Members :
  • Rodrigo Yabut
  • Jerry Palma
Officer
Jerry R. Palma
Chairman of Compensation Committee
Members :
  • Rodrigo Yabut
  • Julius Caesar Iglesia
  • Maricel Yabut
Partners and Clients

We partner with premier international and local organizations, engineering firms, utilities, and industry leaders to deliver sustainable water, wastewater, environmental, and infrastructure solutions.

Original Engineering Consultants (OEC), Japan

OEC has been a trusted leader in environmental and water infrastructure since 1962. OEC specializes in water supply, sewerage, sanitation, solid waste management, industrial wastewater, flood control, and environmental infrastructure. OEC delivers end-to-end expertise—from feasibility studies and master planning to detailed engineering design, construction supervision, and asset management—across Japan, Asia, the Pacific, the Middle East, and South America.

Trusted Partners & Industry Clients
Ardurra International PTE LTD, Singapore Ardurra International PTE LTD, Singapore
VHD International VHD International(Vietnam)
JFE JFE
Maynilad Maynilad
Manila Water Manila Water
Environkonsult Environkonsult
CEST Inc. CEST Inc.
EDCOP EDCOP
RASA Engineering RASA Engineering
DADEC DADEC
Leonardo Audit Leonardo Audit
ALAI ALAI
Tsicore Tsicore
PPE Supplier PPE Supplier
JFE JFE
Maynilad Maynilad
Manila Water Manila Water
Environkonsult Environkonsult
CEST Inc. CEST Inc.
EDCOP EDCOP
RASA Engineering RASA Engineering
DADEC DADEC
Leonardo Audit Leonardo Audit
ALAI ALAI
Tsicore Tsicore
PPE Supplier PPE Supplier
Projects

Featured Consultancy Projects

A selection of infrastructure, environmental, and water management projects delivered through our consultancy expertise.

Featured Project Wastewater Treatment Plant
Construction Management of Cupang WRF Upgrading Project

RAJ Asia Consultants, Inc., is currently providing comprehensive construction management for the ₱1.317 billion upgrading of the 46 MLD Cupang Water Reclamation Facility . Our consultancy spans the active execution lifecycle—from initial design review through ongoing construction supervision, quality control, testing, process proving, and compliance verification—to ensure full alignment with DENR DAO 2021-19 effluent standards upon completion.

Discuss Similar Project
Cupang WRF Upgrading Project
Featured Project Wastewater Treatment Plant
Construction Management of Talayan WRF Upgrading Project

RAJ Asia Consultants Inc. is currently delivering end-to-end construction management for the ₱860 million upgrading of the 16 MLD Talayan Water Reclamation Facility . Our active consultancy spans comprehensive design review, rigorous on-site construction supervision, process probing, testing and commissioning, and operational optimization—ensuring strict regulatory compliance with DENR DAO 2021-19 effluent standards upon completion.

Discuss Similar Project
Cupang WRF Upgrading Project
Featured Project Water Impounding Reservoir
Feasibility Study of the Proposed Water Impounding Reservoir Project in Barangay Mabini, Surigao City

RAJ Asia Consultants, Inc. is currently conducting a comprehensive Feasibility Study to evaluate the technical, environmental, financial, and economic viability of the proposed Water Impounding Reservoir in Barangay Mabini, Surigao City. Serving as the foundation for conceptual and Detailed Engineering Design, the study is evaluating Parang-Parang Creek as an optimal raw water source. By capturing excess wet-season runoff for dry-period distribution, the project aims to deliver a sustainable solution that mitigates seasonal water shortages, improves supply reliability, and strengthens Surigao City’s long-term water resilience.

Discuss Similar Project
Cupang WRF Upgrading Project
Reference Key Projects

Previously Managed by RAJ Asia Board and Executives.

Project
Program Development and Implementation
Laguna Water District Aquatech Resources Corp

25-year full concession PPP/Joint Venture project between MetroPac Water Investment Corp., Equi-Parco Construction Corp., and Laguna Water District.

Project
Program Development & Implementation
Cagayan De Oro Bulk Water Inc.

30-year PPP/Joint Venture project between MetroPac Water Investment Corp. and Cagayan de Oro Water District for 100 MLD bulk treated water supply.

Project
Program Development & Implementation
MetroPac Cagayan de Oro

Joint venture project supplying affordable, reliable, and sustainable bulk treated water to COBI.

Project
Vietnam Projects
TLW – Song Lam Bulk Water, Ho Cau Moi WTP and Nhon Trach 6 Wastewater Treatment PLant

Water and wastewater infrastructure projects in Vietnam.

Project
Vietnam Projects
Phu Ninh WTP and Bulk Supply

Water treatment plant and bulk water supply development project in Vietnam.

Expertise

Core Areas of Technical Expertise

Water Supply Systems

Feasibility studies,design, modeling, rehabilitation, and operational support for sustainable water systems.

Sewerage and Sanitation

Feasibility studies,wastewater collection, treatment systems, sanitation planning, and compliance support.

Environmental Protection

Feasibility studies,environmental assessments, protection strategies, permitting, and sustainability initiatives.

System Modeling and Analysis

Advanced modeling, performance analysis, forecasting, and operational diagnostics.

Need Technical Expertise for Your Infrastructure Project?

Contact our engineering experts to deliver efficient, sustainable, and future-ready infrastructure solutions

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Office Information

Address
Future Point Plaza 1, 112 Panay Ave., Quezon City, MM 23 Zinia St., Modesta Village, Santo Niño, San Mateo, Rizal
Phone
+63 917 858 8158
Email
rajasiacons@gmail.com
Office Hours
Monday – Friday · 8:00 AM – 5:00 PM
We typically respond within one business day.