# Taira Sakuma

> Taira Sakuma is a seed investor backing Human Resources and Software. See 6 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 6
- Last investment: Dec 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sakuma-taira-1a191370/

Taira Sakuma is a seed investor focused on Human Resources and Software. Taira Sakuma is the founder of FORCAS.

## Contacts

5 contacts available for Taira Sakuma: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/taira-sakuma?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $740k–$8.3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Human Resources | 2 | 33% |
| Software | 1 | 17% |
| Consulting | 1 | 17% |
| Recruiting | 1 | 17% |
| Task Management | 1 | 17% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 67% |
| Funding Round | 1 | 17% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 3 | 50% |
| Indonesia | 1 | 17% |
| Singapore | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Arches | Arches is a sharing platform focusing on Asian market. It's mission is to accelerate the growth of our global clients sharing the respectable knowledge, network, resources of local experts on our platform. We provide the experts / distributors matching platform and help our clients to understand the industry, enter Asian market throughknowledge sharing between the local experts and clients. | $1.6M | Seed | Dec 16, 2021 |  |
| Flyle | Flyle provides a cloud based platform for product management helping customers to improve productivity & creativity in product development. | $739.7K | Seed | Jun 01, 2021 |  |
| Overflow | OVERFLOW provides consulting and recruitment services. | $934K | Seed | Mar 03, 2020 |  |
| Wellday | Eliminates dissatisfaction, anxiety, misfortune, etc. “Misfortune”, and aims to realize in the world where all people can work while imagining the future positively, Japan's first employ SuccessThe platform “Well” is provided. The service is a service that analyzes data of communication tools such as Slack normally used by AI, and allows youto objectively see employee condition and organizational issues. | $8.3M | Seed | Aug 22, 2019 |  |
| Wellday | Wellday is an employment platform. | $7.1M |  | Jun 07, 2019 |  |
| Wellday | Eliminates dissatisfaction, anxiety, misfortune, etc. “Misfortune”, and aims to realize in the world where all people can work while imagining the future positively, Japan's first employ SuccessThe platform “Well” is provided. The service is a service that analyzes data of communication tools such as Slack normally used by AI, and allows youto objectively see employee condition and organizational issues. |  | Seed |  |  |

6 of 6 investments shown.

## Co-investors
- [Genesia Ventures](https://shizune.co/investors/profile/genesia-ventures) — VC Fund, 2 deals together
- [DNX Ventures](https://shizune.co/investors/profile/dnx-ventures) — VC Fund, 1 deal together
- [East Ventures](https://shizune.co/investors/profile/east-ventures) — VC Fund, 1 deal together
- [Globe Advisors Ventures](https://shizune.co/investors/profile/globe-advisors-ventures) — VC Fund, 1 deal together
- [Hakuhodo DY Ventures](https://shizune.co/investors/profile/hakuodo-dy-ventures) — VC Fund, 1 deal together
- [Rocking Horse](https://shizune.co/investors/profile/rocking-horse) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Taira Sakuma invest in?

Taira Sakuma invests primarily in Human Resources, Software and Consulting startups, most often at Seed and Funding Round stage. Most of the 6 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Taira Sakuma's check size?

Taira Sakuma typically joins rounds of $740k–$8.3M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Taira Sakuma participates in.

### How do I contact Taira Sakuma?

Public channels for Taira Sakuma include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Taira Sakuma last invest?

The most recent investment recorded for Taira Sakuma closed in Dec 2021. Shizune tracks 6 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co