# Top 5 Crowdfunding Angel Investors in Japan in August 2026

## Hiroyuki Arai
- Type: Angel
- Relevant deals: 1
- Stages: Angel
- Focus: Finance, Child Care, Crowdfunding

## Fumiaki Koizumi
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Internet, E-Commerce, Human Resources

Fumiaki Koizumi - Executive Director @ Mercari

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

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".

## Kentaro Sakakibara
- Type: Angel
- Location: Tokyo, Tokyo, Japan
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Finance, Marketing, Advertising

"At early stage of Axive.com, currently EC navi , ｈe tackled started up Sales department, Alliance & Sales strategy and ads product development. He joined Dentsu wonderman next, and performed direct marketing strategy to big communication companies, drink companies and financial institutes. Then, He was back to EC navi again, and workedfor started up West ads sales branch and Mobile site, reconstruction of Sales department and so on.In 2008, He launched Samurai Incubate Inc. specified for early ventures’ management, marketing, sales,human resource,and finance support. His company invests start up ventures and he also holds the posts of external director of some venture companies."

## Hoshijima Seijiro
- Type: Angel
- Relevant deals: 1
- Stages: Angel
- Focus: Finance, Child Care, Crowdfunding

Executive officer @ Litalico


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