About Us

Board Of Directors

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

Rodrigo O. Yabut
Chairman and Vice President of Business Development
Julius 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 I. Iglesia
Director & Asst. Corp. Secretary
Officer
Elmer Ceguerra
Director & Sr. Project Manager
Officer
Antonio Garcia
Adviser to the Board

Board of Committees

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

We collaborate with leading international and local organizations, engineering firms, utilities, and industry partners to deliver sustainable water, wastewater, environmental, and infrastructure solutions.

Original Engineering Consultants (OEC), Japan

Original Engineering Consultants Co., Ltd. (OEC) is a leading Japanese engineering consultancy established in 1962, specializing in water supply, sewerage, sanitation, solid waste management, industrial wastewater, flood control, and environmental infrastructure. OEC has extensive experience in feasibility studies, planning, detailed engineering design, construction supervision, and asset management. The company has implemented projects throughout Japan and internationally across 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.

Reference Key Projects

Previously Managed by RAJ Asia Board and Executives.

Project
Program Development & Implementation
Laguna Water District Aquatech Resources Corp

25-year full concession Public-Private Partnership/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 & Analysis

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

Need Expert Guidance for Your Next Water or Environmental Project?

Let us help you deliver efficient, sustainable, and future-ready infrastructure solutions.

Schedule a Consultation
Contact Us

Let's Discuss Your Project

Get in touch to discuss your project requirements and consultancy needs.

Office Information

Address
Future Point 1 / 23 Zinia St. Modesta Village Santo Nino San Mateo
Phone
+63 917 858 8158
Email
rajasiacons@gmail.com
Office Hours
Monday – Friday · 8:00 AM – 5:00 PM
We typically respond within 1 business day.