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Board Of Directors





Mr Ngo has been the Chairman of Colex since 1983 when Colex became a subsidiary of Bonvests Holdings Limited (“Bonvests”). He is the Chairman and Managing Director of Bonvests, a company listed on the SGX-ST. He is a member of the Singapore Institute of Directors.


Under Mr Ngo’s leadership, Bonvests Holdings Limited has diversified into waste management, hotel development and operations in Singapore as well as overseas.






Mr Ding is a Director of Colex and General Manager in charge of the cleaning division of Colex Holdings Limited.


Mr Ding holds an honours degree in Bachelor of Engineering from the University of Canterbury (New Zealand).




Independent Director


Mr Lim has been an Independent Director of Colex since April 2021.


He currently serves on the Board of Directors as well as the Audit Committee of another company listed on the Singapore Exchange. 


Mr Lim has been an accountant, a banker and a lawyer at different times during the last 38 years. He has his own law firm, TanLim Partnership, now. Before he started his current law practice, he was the Head of Banking Operations in a large regional bank. He also has many years of experience as an auditor in large international accounting firms. He is barrister-at-law, a chartered certified accountant, and a chartered information technology practitioner. 




Independent Director


Mr Tan has been an Independent Director of Colex since April 2021. 


Mr Tan is the founder and managing director of Ti Ventures Pte Ltd, which invests, in growing businesses and partnering business owners through leading its corporate development, business transformation, and mergers and acquisitions since 2009. Previously, he was the head of business advisory and subsequently, an advisor at BDO Raffles Advisory Pte Ltd. He currently serves on the Board of Directors of other public companies listed on the Singapore Exchange and HKEX.


Mr Tan holds a Bachelor of Business degree (Honours) from Nanyang Technological University and a MBA degree from University of Hull. He is a CFA charterholder from CFA Institute, United States of America.