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Meet Our Team

Our leadership team brings together decades of civil engineering expertise, combining technical mastery with business acumen guided by our RINEN philosophy.

Dr. Songkiat Matupayont
Dr. Songkiat Matupayont
Chairman of the Board
Strategic Leadership & Vision
Dr. Sukda Panwai
Dr. Sukda Panwai
Board Member
Civil Engineering & Finance
Dr. Ekarin Lueangvilai
Dr. Ekarin Lueangvilai
General Manager
Structural Engineering & Operations
Mr. Motohiko Nishibayashi
Mr. Motohiko Nishibayashi
Executive Senior Expert
Hanshin Expressway Co., Ltd.
Dr. Yoriko Kawakami
Dr. Yoriko Kawakami
Expert
Bridge Maintenance Specialist

Team Profiles

Dr. Songkiat Matupayont
Dr. Songkiat Matupayont
Chairman of the Board

Dr. Songkiat brings over 35 years of civil and structural engineering experience spanning bridge design, tollway infrastructure, and large-scale highway projects across Thailand. Before founding ASIAM Infra, he served as Technical Director at Civil and Structural Engineers Co., Ltd., led engineering departments at Chuchawal–de Weger International, and held senior roles at J. Muller International and WSK Inter Consults on landmark projects including the Don Muang Tollway. He also served as a faculty member at Thammasat University's Sirindhorn International Institute of Technology.

Structural Engineering Bridge Design 35+ Years Experience
Dr. Sukda Panwai
Dr. Sukda Panwai
Board Member

Dr. Sukda currently serves as Managing Director at Don Muang Tollway Public Company Limited (DMT), having previously held the role of Executive Vice President — Business and Finance (CFO). A licensed Professional Engineer (P.E.) with the Council of Engineers, Thailand, he also holds APEC Engineer and ASEAN Chartered Professional Engineer (ACPE) credentials, reflecting his recognized expertise across the region's civil engineering sector.

APEC Engineer ACPE Licensed Tollway Management
Dr. Ekarin Lueangvilai
Dr. Ekarin Lueangvilai
General Manager — Structural Engineering

Dr. Ekarin is a structural engineer with over 20 years of experience in bridge condition assessment, strength evaluation, and structural design. His project portfolio includes the Rama 8 Bridge benchmark survey, condition assessments for over 70 slab-type bridges under Bangkok Metropolitan Administration, and strength evaluations for the Department of Highways. He also brings extensive design experience in solar energy infrastructure, load carrying capacity evaluations, and substation structures across Thailand.

Bridge Assessment Structural Design 20+ Years Experience
Mr. Motohiko Nishibayashi
Mr. Motohiko Nishibayashi
Executive Senior Expert

Mr. Nishibayashi has been with Hanshin Expressway Co., Ltd. since 1987, accumulating decades of expertise in expressway engineering, maintenance, and operations. His long tenure at one of Japan's leading expressway operators reflects a deep commitment to infrastructure quality and long-term asset management, bringing internationally recognized Japanese engineering standards to ASIAM's advisory framework.

Hanshin Expressway Expressway Engineering 1987 – Present
Dr. Yoriko Kawakami
Dr. Yoriko Kawakami
Expert — Bridge Maintenance Specialist

Dr. Kawakami brings nearly 30 years of experience from Hanshin Expressway Company Limited in Japan, where she rose from site engineer to Senior Expert and Director of International Projects, Maintenance, and Inspection Management. Her career spans engineering development, research and design, maintenance planning, and international business cooperation across Hanshin's Kobe and engineering departments. She holds a Master's degree from the University of Colorado at Boulder, USA.

Bridge Maintenance Hanshin Expressway International Expert
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