# Tuomo Vuolteenaho

> Tuomo Vuolteenaho is a Series A investor at Joint Effects (Cambridge) backing SaaS and Email. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Joint Effects](https://shizune.co/investors/profile/joint-effects)
- Location: Cambridge, United States
- Total investments: 3
- Last investment: Jul 2023
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tuomo-vuolteenaho-798a923/

Tuomo Vuolteenaho is an individual investor.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 1 | 33% |
| Email | 1 | 33% |
| FinTech | 1 | 33% |
| Internet | 1 | 33% |
| Software | 1 | 33% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 33% |
| Venture - Series Unknown | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Finland | 1 | 33% |
| United States | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Language I/O | The future of translation is conversational and Language I/O’s proprietary machine translation optimization technology ensures that every conversation is understood. Their machine translation optimizer can translate difficult to translate user-generated content such as jargon, slang, abbreviations, and misspellings in 150 languages over chat,email, article, and social support channels.Language I/O seamlessly integrates within all major CRMs and also provides an API. Finally, we let customers decide whether to use professional human linguists, our machine translation optimizer, or a combination of the two. | $8M | Series A | Jul 24, 2023 |  |
| Language I/O | The future of translation is conversational and Language I/O’s proprietary machine translation optimization technology ensures that every conversation is understood. Their machine translation optimizer can translate difficult to translate user-generated content such as jargon, slang, abbreviations, and misspellings in 150 languages over chat,email, article, and social support channels.Language I/O seamlessly integrates within all major CRMs and also provides an API. Finally, we let customers decide whether to use professional human linguists, our machine translation optimizer, or a combination of the two. | $8M | Series A | Jul 24, 2023 |  |
| Book Salon | Book Salon is an exciting new Fintech and Platform Economy startup offering free digital tools for Hair, Beauty and Wellness companies. Book Salon business model is to a) offer all modern payment methods for customers to prepay their booking on service providers website and b) to resell service providers services in Book Salon web and mobile apps. | $3.3M | Venture - Series Unknown | Apr 05, 2022 |  |

3 of 3 investments shown.

## Co-investors
- [Gutbrain Ventures](https://shizune.co/investors/profile/gutbrain-ventures) — VC Fund, 2 deals together
- [Omega Venture Partners](https://shizune.co/investors/profile/omega-venture-partners) — VC Fund, 2 deals together
- [PBJ Capital](https://shizune.co/investors/profile/pbj-capital) — VC Fund, 2 deals together
- [Wyoming Business Council](https://shizune.co/investors/profile/wyoming-business-council) — VC Fund, 2 deals together
- [big_bets](https://shizune.co/investors/profile/bigbets) — VC Fund, 1 deal together
- [Joint Effects](https://shizune.co/investors/profile/joint-effects) — VC Fund, 1 deal together

## About Joint Effects

VC Fund

Joint Effects is an investment firm.

1 contacts available at Joint Effects.

| Name | Title | Profile |
| --- | --- | --- |
| Tuomo Vuolteenaho | Managing Member | https://shizune.co/investors/profile/tuomo-vuolteenaho-9e02 |

## 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
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Tuomo Vuolteenaho invest in?

Tuomo Vuolteenaho invests primarily in SaaS, Email and FinTech startups, most often at Series A and Venture - Series Unknown stage. Most of the 3 investments tracked by Shizune back companies in Finland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Tuomo Vuolteenaho last invest?

The most recent investment recorded for Tuomo Vuolteenaho closed in Jul 2023. Shizune tracks 3 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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