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Top 10 Clean Energy Angel Investors in Asia (September 2026)

The most active angel investors investing in Asia Clean Energy startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in Asia Clean Energy startup companies. Find investors to raise a Seed, Series A or Angel round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Jupiter Barace
Angel
2 Philippines Angel, Pre-Seed Aerospace, CleanTech, Clean Energy
Guanhua Chen
Angel
1 China, United States Seed, Angel, Venture - Series Unknown Energy, Medical, GreenTech
Brett Barna
Angel
1 Bangladesh, United States Seed Consulting, Clean Energy, Renewable Energy $1.2M–$2.5M
T. Chen Fong
Angel
1 Canada, Singapore, United States Seed, Angel, Pre-Seed Software, Artificial Intelligence, Biotechnology $254k–$10M
Gang Wang
Angel
1 China, United States Series A, Angel, Seed E-Commerce, Internet, Transportation $425k–$15M
Katsunori Sago
Angel
1 Japan, Hong Kong Seed, Series C Robotics, Aerospace, Navigation $3.6M–$6.4M
Kei Tanaka
Angel
1 Japan Angel, Series A, Series D Beauty, Energy, Cosmetics
Albert Wenger
Angel
1 United States, Germany, Switzerland Series A, Series B, Seed Software, Internet, Analytics $650k–$30M
Jun Umali
Angel
1 Philippines Seed Fuel, Clean Energy, Biomass Energy
Raymund Racuya
Angel
1 Philippines Angel Aerospace, CleanTech, Clean Energy
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Investor list

Jupiter Barace
Angel · 2 investments in Asia Clean Energy startups

Jupiter Barace

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Investment focus

  • Industry: Aerospace, CleanTech, Clean Energy
  • Stage:Angel, Pre-Seed
  • Geography: Philippines

Investor stats

  • Total investments: 2
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • OrbitX — OrbitX is a Filipino aerospace and research firm. The company's goal is to make spaceflight more inexpensive and sustainable for developing countries by transforming wastes into different types of fuel.
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Guanhua Chen
Angel · 1 investments in Asia Clean Energy startups

Guanhua Chen is a co-founder at Hong Kong X Technology Fund.

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Investment focus

  • Industry: Energy, Medical, GreenTech
  • Stage:Seed, Angel, Venture - Series Unknown
  • Geography: China, United States

Investor stats

  • Total investments: 4
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • Sengine — Sengine is an AIGC company that provides automatic design systems for human living spaces, home improvement, and industrial supply chains.
  • MS Energy — MS Energy is a technology-driven enterprise that specializes in providing green energy solutions.
  • Yishan Medical — Yishan Medical creates consumer-grade medical gear. It is primarily concerned with the research and development of non-invasive diagnostic technology and related equipment in the maternal and infant fields. It intends to develop a new generation of hardware-based home medical goods throughout the entire pregnancy and birthing cycle, including itemsfor women.
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Brett Barna
Angel · 1 investments in Asia Clean Energy startups

Brett Barna

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Investment focus

  • Industry: Consulting, Clean Energy, Renewable Energy
  • Stage:Seed
  • Geography: Bangladesh, United States

Investor stats

  • Total investments: 2
  • Round size: Seed $1.2M–$2.5M
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • Oakscale — Taking Local Brands Global. Where today's entrepreneurs connect with tomorrow's big franchise brands.
  • Tiger New Energy — Tiger New Energy is a clean energy firm that provides cutting-edge battery switching technology to encourage environmentally friendly mobility options.
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T. Chen Fong
Angel · Calgary, Alberta, Canada · 1 investments in Asia Clean Energy startups

Dr. Fong is a Professor Emeritus at the Faculty of Medicine, University of Calgary. He was formerly the Head of the Department of Radiology at the University of Calgary and the Calgary Health Region. Dr. Fong is active in funding and nurturing start-up companies. Over the past two decades, he funded over 50 companies in diverse technology sectors,with an emphasis in medical devices. Dr. Fong is the co-founder and board member of Calgary Scientific Inc. and is also on the board of Clarius Mobile Health, Cohesic Inc. and Innovere Medical. In addition to seed investing, Dr. Fong is active in the Calgary community sitting on six charitable boards and foundations.In 2015, Dr. Fong joined the Creative Destruction Lab (CDL) at the University of Toronto business school as a mentor. CDL helps young entrepreneurs to shape or pivot their nascent ideas. He is widely credited with launching CDL at the Haskayne School of Business at the University of Calgary, bringing together seasoned business leaders from Alberta, Canada and the US to grow budding companies. Dr. Fong is on the Strategic Advisory Board of CDL and a Fellow of CDL in Toronto, Montreal, Calgary and Vancouver. In 2017, Dr. Fong was named to the Order of Canada for his contribution to medical technology innovation and philanthropy.

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Investment focus

  • Industry: Software, Artificial Intelligence, Biotechnology
  • Stage:Seed, Angel, Pre-Seed
  • Geography: Canada, Singapore, United States

Investor stats

  • Total investments: 12
  • Round size: Seed $254k–$10M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Oncoustics AI — Oncoustics is creating and deploying advanced AI solutions for low cost, non-invasive surveillance, diagnostics, and treatment monitoring of diseases with high unmet clinical need. Unlike other players in the space, Oncoustics does not do image recognition. Instead, Oncoustics applies AI to raw ultrasound signals from readily available handheldultrasound devices to rapidly differentiate healthy versus diseased tissues. There's a wealth of information in these raw signals and this approach reveals novel biomarkers that can be aligned with existing standards and categorization systems. Initially targeting liver disease, a $30B global diagnostic market, Oncoustics has filed a Breakthrough Device Designation Request with the FDA for the OnX that detects liver fibrosis and the 510K is underway. Several follow-on liver products are in development. Oncoustics also has clinical data on other organ indications including prostate, kidney, breast and thyroid diseases and cancers.
  • SunGreenH2 — SunGreenH2 creates the world's highest performance advanced materials for electrolysis i.e. green hydrogen production. Achieve high efficiency, low cost green H2 production on site for your application in the Power-to-X, Hydrogen refuelling, Energy Storage and Buildings sectors. Revolutionising zero emissions and improving profitability.
  • EZee Assist — EZee Assist provides instant answers to franchisee operational questions. Continue using preferred channels of support and start receiving instant answers.
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Gang Wang
Angel · Hangzhou, Zhejiang, China · 1 investments in Asia Clean Energy startups

Gang Wang

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Investment focus

  • Industry: E-Commerce, Internet, Transportation
  • Stage:Series A, Angel, Seed
  • Geography: China, United States

Investor stats

  • Total investments: 18
  • Round size: Seed $600k–$12M; Angel $425k–$3M; Series A $1.5M–$15M
  • Lead/follow: 39% lead, 61% follow

Portfolio highlights

  • Yuezw.com — Yuezw.com is an online home decoration and furnishing start-up.
  • Qianyu Islands — Qianyu Islands is the flagship brand of Beijing Beike Youjia Technology Co., Ltd., which is positioned in the “Urban Shared Accommodation Space”. It is committed to providing users with different traditional hotels and B&Bs, younger, more free, more possibilities and higher value for money accommodation options.Since its inception in 2017,Qianyu Islands is based on a sense of quality, experience and freshness for a new generation of consumer groups. It is transforming the traditional accommodation industry with a more Internet-based way to fill the market for urban mid-end accommodation.
  • Huidu Environmental — Huidu Environmental is a recyclable packing material developer.
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Katsunori Sago
Angel · Tokyo, Tokyo, Japan · 1 investments in Asia Clean Energy startups

Katsunori Sago

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Investment focus

  • Industry: Robotics, Aerospace, Navigation
  • Stage:Seed, Series C
  • Geography: Japan, Hong Kong

Investor stats

  • Total investments: 3
  • Round size: Seed $3.6M–$6.4M
  • Lead/follow: 67% lead, 33% follow

Portfolio highlights

  • Kollektion — KLKTN is a curated music, manga and art NFT platform connecting creators with fans through special experiences. The platform allows fans to access special edition digital art and behind-the-scenes moments of artists' creative process. In collaboration with top creators and artists and powered by blockchain technology, KLKTN is takingartist-fan engagement and the best of creative experiential culture into the digital world. Artworks are available as a limited supply of authenticated digital products or NFTs, for purchase via credit card, with a fixed cost per item. KLKTN's co-founders are Jeff Miyahara, Chief Creative Officer and a renowned record producer and songwriter who has produced over 260 international artists; Fabiano Soriani, Chief Technology Officer and former lead blockchain engineer for Dapper Labs; and Daisuke Iwase, Chief Executive Officer, Harvard Business School graduate, former World Economic Forum Young Global Leader, and a digital pioneer known for co-founding Lifenet, a disruptive fintech venture, which he took to IPO. Built on the Flow blockchain to achieve affordable and environmentally-sustainable minting, KLKTN leaves more for artists, fans, and the planet.
  • Sustech — Sustech is a technology company that develops platforms for decarbonization support and distributed power generation services.
  • Ispace Technologies — ispace is a private lunar robotic exploration company that is developing micro-robotic technology to provide a low-cost and frequent transportation service to and on the Moon, conduct lunar surface exploration to map, process and deliver resources to our customers in cislunar space.
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Kei Tanaka
Angel · 1 investments in Asia Clean Energy startups

Kei Tanaka is the Individual investor/Former Co-Head of Asset Management at Goldman Sachs Securities Co., Ltd.

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Investment focus

  • Industry: Beauty, Energy, Cosmetics
  • Stage:Angel, Series A, Series D
  • Geography: Japan

Investor stats

  • Total investments: 4
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • THE RICH — THE RICH is a hair care brand that contains silk regenerating and repairing ingredients.
  • Helical Fusion — Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas. It is a spin-off startup from the National Institute for Fusion Science (NIFS) in Japan that provides a fusion reactor based on the stellarator design, a magnetic confinement approach that enables inherently stable,continuous plasma operation.
  • One World Technology — One World Technology Co., Ltd. blends traditional Japanese culture with advanced technology to deliver a modern luxury lifestyle. It offers a shared ownership model for global clientele, allowing them to co-own culturally inspired villas featuring Japanese gardens, teahouses, and refined architectural design.
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Albert Wenger
Angel · New York, New York, United States · 1 investments in Asia Clean Energy startups

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.

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Investment focus

  • Industry: Software, Internet, Analytics
  • Stage:Series A, Series B, Seed
  • Geography: United States, Germany, Switzerland

Investor stats

  • Total investments: 110
  • Round size: Seed $650k–$16M; Series A $1M–$23M; Series B $4.3M–$30M
  • Lead/follow: 35% lead, 65% follow

Portfolio highlights

  • Brale — One regulated system for stablecoin issuance, custody, payments, and compliance. 75+ programs in production across 45 US jurisdictions. SOC 2 Type II. Book a demo.
  • Terra.do — Learn about climate change and start working on climate change solutions today with the Terra.do community.
  • Phlair — 77NEKO menjadi salah satu akses asli untuk bermain game online yang menghasilkan sulthan dengan secara sekejap. Bukan hanya itu tapi 77neko sering memberikan bonus yang gokil seperti petir merah yang tak terhingga, cashback 100% hingga spin gratis di setiap permainan.
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Jun Umali
Angel · 1 investments in Asia Clean Energy startups

Jun Umali is an individual investor

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Investment focus

  • Industry: Fuel, Clean Energy, Biomass Energy
  • Stage:Seed
  • Geography: Philippines

Investor stats

  • Total investments: 1
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Verta Bioenergy — Bespoke drop in replacement pellets to decarbonise industrial coal use. Minimal investment required. Decarbonising one plant at a time.
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Raymund Racuya
Angel · 1 investments in Asia Clean Energy startups

Raymund Racuya

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Investment focus

  • Industry: Aerospace, CleanTech, Clean Energy
  • Stage:Angel
  • Geography: Philippines

Investor stats

  • Total investments: 1
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • OrbitX — OrbitX is a Filipino aerospace and research firm. The company's goal is to make spaceflight more inexpensive and sustainable for developing countries by transforming wastes into different types of fuel.
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