# Taizo Son

> Taizo Son is a Series A investor at VIVITA backing Financial Services and Information Technology. See 26 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [VIVITA](https://shizune.co/investors/profile/vivita)
- Total investments: 26
- Last investment: Jul 2025
- Lead investor: 38%
- Last updated: Aug 2026
- LinkedIn: https://jp.linkedin.com/in/taizo-son-b6086182
- X (Twitter): https://twitter.com/taizoson
- Facebook: https://www.facebook.com/taizoson

Taizo Son is a Series A investor at VIVITA focused on Financial Services and Information Technology. Taizo Son is the Co-Founder of VIVITA. Taizo Son attended the University of Tokyo.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.4M–$14M |
| Angel | $737k–$2.2M |
| Series A | $1.8M–$30M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Financial Services | 3 | 12% |
| Information Technology | 3 | 12% |
| Apps | 2 | 8% |
| Water | 2 | 8% |
| Big Data | 2 | 8% |

63 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 7 | 27% |
| Seed | 6 | 23% |
| Angel | 3 | 12% |
| Funding Round | 3 | 12% |
| Corporate Round | 2 | 8% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 9 | 35% |
| United States | 3 | 12% |
| Singapore | 2 | 8% |
| India | 1 | 4% |
| Estonia | 1 | 4% |

7 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Favolist5 | Favolist5 is a software company that develops an abbreviated voice SNS based on web3 for personal media. | $737.2K | Angel | Jul 30, 2025 |  |
| Aquaria | Aquaria provides solutions to secure access to clean water. The organization adapts its approaches based on the needs of these communities. It addresses water-related challenges through various methods. | $12M |  | Nov 20, 2024 |  |
| AnotherBall | AnotherBall is a blockchain startup that combines entertainment and blockchain. | $2.2M | Angel | May 16, 2023 |  |
| Funderbeam | Funderbeam is a funding and trading platform that connects companies and investors to buy and sell equity stakes. The platform allows the founders to gain exposure, legal support, a funding manager, or an investor network. It also allows the investors to take control of their investments and trade anytime they want.The company was founded in 2013as a global data platform for startup companies. | $40M |  | May 04, 2023 |  |
| Novoloop | Novoloop is an upcycling company that provides a proprietary lifecycling platform to create chemicals and materials from plastic waste. Its Accelerated Thermal Oxidative Decomposition (ATOD) process chemically breaks down plastic films and packaging into monomers, which are then reassembled into virgin-quality TPU and recycled+ formulations. Thecompany operates a demonstration pilot plant in India in partnership with Aether Industries, producing up to 70 metric tons of TPU annually from mixed plastic waste. | $11.4M | Series A | Nov 19, 2021 |  |
| Instalimb | Instalimb is the world's first 3D printing prosthesis business. It uses advanced 3D printing, 3D-CAD, and machine-learning technologies to produce affordable, high-quality prosthetic legs. By integrating these tools into its manufacturing process, the company delivers reliable and low-cost 3D-printed prosthetics and orthotics. | $2.2M | Series A | Sep 30, 2021 |  |
| The bina School | bina is a digital primary school ecosystem made to provide customised learning at scale.We are an early-stage startup backed by Silicon Allee in Berlin and are in the last stages of closing our initial funding round, led by Taizo Son at Mistletoe.Currently, bina offers:- Personalised education to ages 4-12 in tiny classes of no more than 8students.- Master teachers delving into STEAM-based learning using curated 3rd party tech and a storytelling narrative.- Classes and teachers are assigned into carefully matched learning groups to get the best and most enjoyable learning experience.We are building bina in two phases: The bina School operates as a comprehensive, synchronous, international primary school marketed directly to parents and HR departments. This school acts as a high-quality, cost-effective development of the product and brand. bina-as-a-service offers accreditation, teacher training and methodology, licensed globally to public and private educational systems. Once established, precision education will cross social, economic and geographic barriers. | $1.4M | Seed | Aug 03, 2021 |  |
| mmhmm | Mmhmm is a developer of a virtual camera application used to help make creative use of background during video conferencing calls. Its application integrates into the user's video calling applications and adds backdrops, allows users to team-up with their remote partners and give presentations together, and enables customers to make theirvirtual meetings more interesting and informative.The company was founded in 2020 and is headquartered in San Francisco, California. | $30.4M | Series A | Oct 07, 2020 |  |
| Playco | Playco is an instant-play gaming company that develops games that billions of people can play together. The company works closely with a vast network of partners from global tech and social media giants to new startups developing innovative technologies. | $100M | Series A | Sep 21, 2020 |  |
| Playco | Playco is an instant-play gaming company that develops games that billions of people can play together. The company works closely with a vast network of partners from global tech and social media giants to new startups developing innovative technologies. | $100M | Series B | Sep 21, 2020 |  |

10 of 26 investments shown.

## Co-investors
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 4 deals together
- [Digital Garage](https://shizune.co/investors/profile/digital-ga) — VC Fund, 3 deals together
- [KSK Angel Fund](https://shizune.co/investors/profile/ksk-angel-fund) — VC Fund, 3 deals together
- [Caffeinated Capital](https://shizune.co/investors/profile/caffeinated-capital) — VC Fund, 2 deals together
- [Das Capital](https://shizune.co/investors/profile/das-capital) — VC Fund, 2 deals together
- [Future Positive](https://shizune.co/investors/profile/future-positive) — VC Fund, 2 deals together

## About VIVITA

VC Fund · Tokyo, Japan

VIVITA is a startup building a Seed Accelerator for kids.

2 contacts available at VIVITA.

| Name | Title | Profile |
| --- | --- | --- |
| Taizo Son | Co-Founder and CEO | https://shizune.co/investors/profile/taizo-son |
| Mari-Liis Lind | Co-Founder & CEo | https://shizune.co/investors/profile/mari-liis-lind |

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## FAQ

### What does Taizo Son invest in?

Taizo Son invests primarily in Financial Services, Information Technology and Apps startups, most often at Series A and Seed stage. Most of the 26 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Taizo Son's check size?

Taizo Son typically joins rounds of $1.4M–$14M at Seed, $737k–$2.2M at Angel and $1.8M–$30M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Taizo Son participates in.

### When did Taizo Son last invest?

The most recent investment recorded for Taizo Son closed in Jul 2025. Shizune tracks 26 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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