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Tuck Wai Lee

Founder & CEO

Tuck Wai created Upconverge to develop a Systems Leadership Practice to help practitioners navigate the biggest challenges in infrastructure delivery and solutions development. He partners with organizations, consultants, contractors, startups, accelerators, incubators and governmental agencies navigate the complex challenges in the industry and unlock their collective potential to deliver their visions.

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Tim Ruth

Senior Consultant

Tim is a Professional Engineer from New York, USA with vast infrastructure design experience, having worked with clients from different regions of the world, ranging from North America, the Middle East and Asia. His clients range from private companies to military contractors to governmental agencies. He has navigated all aspects of the project life cycle, from feasibility studies to site supervision.

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Er. Tan Ngo Chiaw

Water Sector Infrastructure

Er. NC Tan, credentialed as a Professional Engineer in Singapore, was the former Regional Manager and Managing Director at CH2M Hill (now Jacobs) with over 30 years involvement in all aspects of water infrastructure projects, ranging from directorship roles in the Deep Tunnel Sewerage System (DTSS), Changi Water Reclamation Plant, NEWater factories, Seawater Desalination plants, ABC Waters, and NEWater infrastructure pipelines and sewer rehabilitation. He has been honored with numerous awards, from Distinguished Outstanding Engineer (DTSS and and ABC Waters), the President Design Award for his work on ABC Waters and received the PUB Water Mark in 2018. He served as the Vice President of the Singapore Water Association, a member of the National University of Singapore (NUS) Civil and Environmental Engineering Department Consultative Committee, and a Corporate Member of both the Association for Consulting Engineers, Singapore and Malaysia Water Association.

Er. Tan Seng Chuan

Sustainable Development

Er. Tan is a Certfied Sustainability Reporting Specialist and is a Professional Engineer (Civil) and Chartered Engineer (Environment & Water). He has professional experience ranging from environmental engineering and project management in the area of Oil & Gas, Water and Wastewater, Energy & Power, Chemical and Petrochemical, Building and Construction, Industrial Plant, Mass Rapid Transit, Climate Change and other infrastructure projects around the region. Er. Tan has served as the President of the Institution of Engineers, Singapore (IES), President of the Federation of Engineering Institutions of Asia and the Pacific (FEIAP) and Vice President of World Federation of Engineering Organisation (WFEO). Er. Tan is currently the Managing Director and Board Chairman of Tembusu Asia Consulting.


Climate Resilience Strategy

Matthias has experience across the public, private and social sectors. Over the last 11 years, he has worked in the Ministry of the Environment and Water Resources (MEWR), PUB, Singapore’s National Water Agency, CH2M Hill (now Jacobs), Singapore Airlines (SIA) and MILK (Mainly I Love Kids) Fund covering various roles from policy maker, engineer, supply chain operations to social sector service leader. During this time, he coordinated climate change adaptation and floating solar PV plans for Singapore,  including organising critical infrastructure interdependency analyses and sitting on the Sentosa Expert Review Panel for Climate Change. As the current Executive Director of MILK, he utilises partnerships with other Charities to develop strategic and impactful programmes to help disadvantaged children and youth break out of the poverty cycle.

Nimesh Modak

Technologies and Startups

Mr. Modak has over 12 years of international experience in the water industry, focusing on startups and accelerators in innovative water tech, serving as startup advisor for over 50 Imagine H2O portfolio companies and led the organization's global partnership program development. He has spent time in water tech commercialization, public-private partnerships, corporate sustainability, nonprofit fundraising, government relations and economic development. He also serves on the advisory board of Burnt Island Ventures, an early-stage water venture fund. Nimesh holds a MBA from the Wharton School at the University of Pennsylvania and a MPA from Harvard Kennedy School of Government.


Nimesh is currently the Managing Director for Imagine H2O Asia.

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