# Koji Mizoguchi

> Koji Mizoguchi is a startup investor at FreakOut Holdings. See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [FreakOut Holdings](https://shizune.co/investors/profile/freakout)
- Last updated: Aug 2026

Koji Mizoguchi is a startup investor at FreakOut Holdings. Koji Mizoguchi - Executive Vice President @ TOKYO PRIME

## About FreakOut Holdings

VC Fund · Tokyo, Japan

FreakOut is a marketing technology company that develops and sells marketing platforms. Its products include DMP that is used to analyze data; and demand-side platform (DSP), a platform for real-time ad inventory transactions in internet advertising. The company also offers RTB (real-time biting), to analyze the web browsing information of a user;FreakOut DSP which is used to collect marketing information; and FreakOut DMP, a DMP corresponding to the smartphone and PC to optimize digital marketing.FreakOut, Inc. was founded in 2010 and is headquartered in Tokyo, Japan.

5 contacts available at FreakOut Holdings.

| Name | Title | Profile |
| --- | --- | --- |
| Yuzuru Honda | Founder & Global CEO | https://shizune.co/investors/profile/yuzuru-honda |
| Akashi Nobuyuki | Executive officer | https://shizune.co/investors/profile/akashi-nobuyuki |
| Keiji Tokiyoshi | Chairman | https://shizune.co/investors/profile/keiji-tokiyoshi |
| Koji Mizoguchi | Executive officer | https://shizune.co/investors/profile/koji-mizoguchi |
| Kotaro Yokoyama | CFO | https://shizune.co/investors/profile/kotaro-yokoyama |

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