Our people are the most value assets that we have. We selected only the best personals and continually training them to become value assets of the society. 


of Thailand

Our achievement has been the result of passion and hardworking team work.

PPS organization has stayed the course by earning recognition from our customers as an expert in construction consultants and 360 Degree services. Our perfect work performance goal is to achieve customer satisfaction, we do not only focus on the ultimate level of quality construction but also service-minded attitude. 

Mr. Prasong Tharachai
Founder and Board of Directors
Mr. Prasong Tharachai is the founder of PPS and current Chairman of the board of directors. He got doctor degree in engineering. He is the pioneer in project and construction management business in Thailand and is in this business for more than 50 year.

He use to be the president of the engineering institute of Thailand under H.M. The King’s Patronage 2008-2010 and secretary general of the council of Engineer of Thailand 2004-2006 and Vice President of Council of Engineer 2011-2015.
Mr. Tat Thongpakdi
Board of Directors
Managing Director of PPS. He got Master degree in construction management from George Washington University, USA. He has experience working in USA in Taiwan and for various multinational companies. He has worked for PPS for more than 20 years from project engineer to the managing director of PPS in 2013.
Dr. Phongthon Tharachai
Chief Executive Officer
Dr. Phongthon Tharachai is the CEO of PPS. He is an engineer by graduation. He got master degree from University of Illinois at Urbana Champaign , USA. And got the Japanese government scholarship and got doctor degree in Engineering from Kyoto University. Dr. Phongthon join PPS in 1998 as a civil engineer. He got vast experience in infrastructure project in Bangkok such as the second stage of the Bangkok expressway project and the first underground mass transit train in Bangkok which is the MRT blue-line. He also got the law degree and knowledge in financial and investment. He became CEO of PPS in 2017.
Mr. Wanchai Ruangsup-anek
Deputy Managing director of
Project Department
Mr. Wanchai got a master degree in Civil Engineering, MBA in finance and HR training. He worked with PPS since 1992. He specializes in Highrise building and complex structural system. He currently works in various historical building restoration. He is now Deputy managing director of project department of PPS.
Mr. Nopparat Narin
Deputy Managing Director of
Business Development Department
Mr. Nopparat got a master degree in Civil Engineering and MBA in finance. He worked with PPS for more than 20 years. He is the project management professional (PMP) trainer. He is now Deputy managing director of the business development department of PPS.
Mr. Voradaj Piemsuwan
Company Secretary and Deputy Managing
Director of Business Development Department
Mr. Voradaj Piemsuwan is one of the founders of PPS. He got the bachelor degree in electrical engineering and MBA degree. He involved in most of PPS projects from past to present. He is now a secretary to the board of director of PPS.
Mrs. Wanichthanan Vijacksungsithi
Cooperation Governance and Social Responsibility
Committee and Deputy Managing Director of
Business Development Department
Mrs. Wanichthnan join PPS in 2013. She specialized in construction contract and arbitration. Each year, she provides various training on contract, arbitration and mediation topics to the national seminar.
Mr. Harry Tan
IT Specialist
Mr. Harry got experience in IT business for more than 30 years. He is an IT specialist by career and by education. He worked for multinational company and became vice president enterprise solution of AVEVA before join PPS in 2013. He is now managing director of ensemble equity Pte Ltd (Singapore) one of the investment arm of PPS.
previous arrow
 next arrow


Careers opportunities within PPS are a platform of new generation to receive

professional experiences and evolution.