# Top 20 Sustainability Angel Investors in Japan in May 2026

## Shintaro Tabata
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 2
- Stages: Seed, Angel, Series A
- Focus: Sharing Economy, Audio, Content

Shintaro Tabata - Senior Vice President and Head of Corporate Sales @ Line

## Shintaro Yamada
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 2
- Stages: Seed, Angel, Pre-Seed
- Focus: Internet, Finance, Information Technology

During his years at Waseda University, Shintaro worked at Japan’s biggest e-commerce mall, Rakuten, Inc. On August 1st 2001, Shintaro established “Unoh Inc.” after graduating university. At Unoh he was responsible for designing and developing several web services, one of which was the online magazine subscription . Services provided by Unohinclude planning, development and management of the film enthusiast community site “Movie Life” (acquired by PIA Corporation) as well as “Sugu.CC” , “NeoAd” (both acquired by GMOAP) and the photo sharing site “Photozou” (acquired by Digital Garage).In 2009 Unoh entered into social gaming, creating multiple successful social games. Among these games, “Machitsuku!” has been its biggest hit with over 5 million users. On August 3rd 2010, Unoh joined Zynga and Shintaro became General Manager of Zynga Japan. He resigned on January 2012. After traveling around the world, He established the new company “Mercari, Inc.” on February 2013 and released the resale shopping app “Mercari” on July 2013 in Japan.He is a true Internet geek, spending a lot of time on the Internet and boasts around 180,000 followers on Twitter.

## Yuzuru Honda
- Type: Angel
- Relevant deals: 2
- Stages: Seed, Angel
- Focus: SNS, Internet, Software

Yuzuru Honda is a Founder & Global CEO of FreakOut.

## Naruhisa Nakagawa
- Type: Angel
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: Manufacturing, Beauty, Environmental Consulting

Naruhisa Nakagawa is a Founder & Chief Investment Officer at Caygan Capital.

## Daisaku Harada
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 2
- Stages: Seed, Pre-Seed
- Focus: Finance, Tourism, Automotive

Daisaku Harada is the Director of Management Strategy at Mercari. Daisaku attended Chuo University.

## Sotaro Karasawa
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series B
- Focus: Blockchain, Art, Travel

Sotaro Karasawa - Chief Technology Officer @ STAR FESTIVAL

## Yoshinori Fukushima
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: Internet, Marketing, Media and Entertainment

Completed the Graduate School of Engineering, the University of Tokyo. He developed the service of “Gunosy” while he was in graduate school. Established Gnosy in 2012 and appointed CEO. In 2013, he was appointed President and CEO. 2012 IPA Unexplored Super Creator. He also served as President of LayerX.

## Seio Nagami
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Series A, Angel
- Focus: Task Management, SaaS, Information Technology

Seio Nagami

## Yoshitsune Ido
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series A
- Focus: Information Technology, Robotics, Software

Yoshitsune Ido

## Suzuki Tatsuya
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Internet, Agriculture, Information Technology

1985. Graduated from the Faculty of Economics, Hitotsubashi University. In 2008, he engaged in new business support and venture support for large companies at Inspire Co., Ltd. In 2011, he was appointed director of UXConsulting company wacul. In 2012, he was appointed director of giftee.

## Mamoru Taniya
- Type: Angel
- Location: Hong Kong, Hong Kong Island, Hong Kong
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Apps, Content, FinTech

After graduating from the Faculty of Law at the University of Tokyo, he joined Solomon Brothers, where he became the youngest managing director in Asia, where he was in charge of Asian investment. After that, he created one of the largest independent Asuka assets. He also launched Japan's first independent online life insurance company,LifeNet Life Insurance, and inspired Japan's first International.

## Soichiro Kawai
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Media and Entertainment, Information Technology, Internet

Soichiro Kawai - CEO @ ReBoost

## Cheng Tao
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: Telecommunications, Content, Internet

Tao Cheng currently works as Chief Executive Officer and Founder of popIn.

## Matsuoka Tsuyoshi
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed
- Focus: Water, Banking, Analytics

Matsuoka Tsuyoshi - Executive Officer @ Goodpatch

## Taizo Son
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Series A, Angel
- Focus: Financial Services, Information Technology, Venture Capital

Taizo Son - Co-Founder @ VIVITA

## Yu Akasaka
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Food and Beverage, Content, Internet

During Hosei University student, and intern at Hakuhodo C & D. After joining the Image-net, I do media monetization of EC site as a media planner. Then, new business, engaged in Alliance. Launched a crowdsourcing site "MILLION DESIGNS" of design in the individual, sold to Ransazu Corporation. Established the Eureka Co., Ltd., wasappointed Representative Director CEO.

## Kotaro Chiba
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Internet, Content, Software

Kotaro Chiba is the founder of ChibaDojo Fund. Kotaro Chiba attended Keio University.

## Takuma Iwasa
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Water, Beauty, IT Management

Takuma Iwasa is a Founder & CEO at Cerevo.

## Tomoya Hirota
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed
- Focus: Apps, Rental, Sharing Economy

Tomoya Hirota - Director @ CLASS, Inc.

## Shoji Kodama
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel, Series B
- Focus: Real Estate, Internet, Construction

Shoji Kodama - President @ Laxus Technologies

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