Top 5 CleanTech Angel Investors in Asia in May 2025

Last updated: May 2025 A list of 5 angel investors that invest in Cleantech startups based in Asia. We rank investors based on the number of investments they made in Cleantech companies from Asia. We update this investor list every month.

Top 5 CleanTech Angel Investors in Asia in May 2025

Investor	CleanTech Asia investments
Gerard George	1
Taizo Son	1
Bin Ge	1
Michael Diekmann	1
Albert Wenger	1

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Investor list

Gerard George

Investment focus

SaaS, Forestry, Internet
Pre-Seed
Singapore

Portfolio highlights

Handprint — Handprint makes it easy and cost efficient to differentiate your organisation with science-backed impact solutions beyond offsetting.

Taizo Son is the Co-Founder of VIVITA. Taizo Son attended the University of Tokyo.

Investment focus

Financial Services, Information Technology, Water
Seed, Series A, Funding Round
Japan, United States, Singapore

Portfolio highlights

LIFT99 — LIFT99 is a coworking hub and network of startup founders in Tallinn, Estonia, and Kyiv, Ukraine. In 2018, we launched our Skillsharing Platform for founders around the world.
Smartround — Smartround is a specialized finance management platform for startups and their investors. For start-ups, for entrepreneurs who are not familiar with finance, simply enter the necessary information according to the guide, prepare appropriate financing round, and prepare a function that can simulate and execute a capital increase. Support informationsharing and communication with shareholders even after the capital increase.
AnotherBall — AnotherBall is a blockchain startup that combines entertainment and blockchain.

Bin Ge

Investment focus

CleanTech, Architecture, Environmental Engineering
Series A
China

Portfolio highlights

Zero Carbon System — Zero Carbon System specializes in global low-carbon building design and low-carbon urban planning solutions.

Michael Diekmann is Supervisory Board Member at Siemens.

Investment focus

mHealth, CleanTech, Smart Home
Series A, Series C
China, United Kingdom

Portfolio highlights

BERGLUF — BERGLUF develops and sells air purification system products.
Huma — Huma is a global health technology company that provides a modular platform to support digital 'hospitals at home' across different disease areas. Its platform combines predictive algorithms, digital biomarkers, and real-world data to advance proactive, predictive care and research.The company was founded in 2011 and is headquartered inLondon, England.

Albert Wenger is a managing partner at Union Square Ventures. Before joining USV, Albert was the president of del.icio.us through the company’s sale to Yahoo and an angel investor (Etsy, Tumblr). He previously founded or co-founded several companies, including a management consulting firm and an early hosted data analytics company. Albert graduatedfrom Harvard College in economics and computer science and holds a Ph.D. in Information Technology from MIT.