# Top 15 Big Data Angel Investors in Japan in June 2026

## Kotaro Chiba
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: Content, Information Technology, Travel

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

## Takaya Shinozuka
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 2
- Stages: Seed, Angel, Series A
- Focus: Internet, Local, Sports

Takaya Shinozuka is the President, CEO, and Founder at Reiwa Travel.

## Kensuke Furukawa
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Content, SNS, Software

Kensuke Furukawa was born in June 2, 1981. He graduated Waseda University majoring Political Science and Economics, and in 2000, he launched "Milkcafe", a student community, which has grown to a site with 10 million PV per month. In 2004, he became the CEO of Media Clip, which operates a rental bulletin board service "ShitarabaBBS". After that year, he had transfer "Shitaraba BBS" to Livedoor, and took charge of starting up the Consumer Generated Media sector. In 2006, he joined Recruit, and took charge of starting up a new business at Business development sector. In June of 2009, he left Recruit, and became the CEO of nanapi （formerly Rocket Start), which operates the How-to Site "nanapi".

## Kento Hayashi
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Series A
- Focus: Social, Big Data, Analytics

Kento Hayashi - President & CEO @ Datasection

## Kiyoshi Nishikawa
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: News, Social Media, Big Data

After working at KDD Corporation （Currently known as KDDI Corporation）, Kiyoshi Nishikawa next went to work at Arthur D. Little Inc. in the United States, where he became inspired to start his own company. After returning to Japan, he established a Japanese corporation of the world’s largest Internet company, America On Line, LLC. Later andbased on this experience and the relationships he developed, he founded the first Internet business incubator, NETAGE, Inc. After serving as the President and CEO of NETAGE Group, he later became and still serves as the Chairman of ngi group, inc. Kiyoshi was one of the main entrepreneurs responsible for proposing and realization of “Shibuya Bit Valley Concept” and is well known for his various speeches and writings. He is a graduate of the Department of Education at Tokyo University.

## Nobuhiro Ariyasu
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: Finance, Content, Internet

Nobuhiro Ariyasu is the CEO at Coach United.

## Yusaku Maezawa
- Type: Angel
- Location: Mihama, Kyoto, Japan
- Relevant deals: 1
- Stages: Seed, Series C
- Focus: Gaming, Social, Big Data

Yusaku Maezawa is a Founder of Zozotown.

## Keisuke Tomimatsu
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Angel
- Focus: CRM, Big Data, Analytics

Keisuke Tomimatsu - Member of the board @ Musashi Seimitsu Industry

## Hiroshi Sawa
- Type: Angel
- Relevant deals: 1
- Focus: Social, Big Data, Analytics

Joined Fujitsu Limited in 1991, after working at Osaka City University's Faculty of Science. He has a wide range of business experience, from programming to new business development, such as developing Internet services. After that, engaged in IT-related new business development at Sojitz Corporation, and at a major business investmentcompany, engaged in business investment in venture companies, creation of business plans for companies, launching new services, and M & A. In 2008, he became an outside director of eLicense Corporation. In 2009, he was appointed Representative Director of Data Section Co., Ltd. after developing a trend analysis service utilizing big data. Listed on the Tokyo Stock Exchange Mothers on December 24, 2014. Outside director of Japan Data Exchange, Inc. Currently, he is an outside director of Solid Intelligence Co., Ltd. In June 2018, he became chairman.

## Yasumasa Manabe
- Type: Angel
- Location: Tokushima, Tokushima, Japan
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Information Technology, Drones, EdTech

Yasumasa Manabe

## Shuichi Takenaga
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Marketing, Financial Services, Management Consulting

Takenaga Shuuichi is an individual investor.

## Takeshi Hirano
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Big Data, Aerospace, Machine Learning

Takeshi Hirano - Auditor (External) @ Morpho

## Uenoyama Katsuya
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel, Corporate Round
- Focus: Fashion, Software, Advertising

Uenoyama Katsuya - CEO @ PKSHA Technology

## Jo Hirao
- Type: Angel
- Relevant deals: 1
- Stages: Series B, Seed, Series C
- Focus: Retail, Medical, Big Data

Jo Hirao

## Hiroshi Tomishima
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Big Data, Internet, E-Commerce

Hiroshi Tomishima is the President and Founder of Zkyuun Entertainment and an Executive Director at Mercari.