Tuomas Artman
Angel Investor
San Francisco, United States
Tuomas Artman is a Co-Founder at Linear.
- Total investments:
- 6
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Tuomas Artman invests in
Stages Tuomas Artman invests in
Countries Tuomas Artman invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $2.1M–$3M
Investment Focus
Industry
- Software 4 (67%)
- Mobile Apps 2 (33%)
- Developer Tools 2 (33%)
- Artificial Intelligence 2 (33%)
- A/B Testing 1 (17%)
Stage
- Seed 4 (67%)
- Pre-Seed 1 (17%)
- Series A 1 (17%)
Country
- United States 3 (50%)
- Finland 1 (17%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Time Atlas Labs is a Finnish-US technology startup that builds Time Atlas, a privacy-first mobile app. | $2.1M / Seed / Sep 17, 2025 | ||
| Gentrace is a test and production evaluation for companies building generative AI at scale that improves the quality, safety, and compliance of LLM outputs. Its end-to-end solution platform encompasses a purpose-built testing environment that models real-world applications and comprehensive analytics to assess AI model performance. | $8M / Series A / Dec 10, 2024 | ||
| Rise is a next-generation calendar that helps you make time for the things that matter most. | $3M / Seed / Jan 18, 2022 | ||
| mobile.dev is setting a new standard for mobile development, empowering all companies to deliver high-quality mobile applications. | $3M / Seed / Jul 14, 2021 | ||
| Maestro is an open-source automated testing platform that enables developers to create and run end-to-end UI tests for Android, iOS, and web applications using simple YAML-based workflows. The platform supports cross-platform test automation, CI/CD integration, cloud execution, and AI-assisted testing to help engineering teams improve softwarequality and streamline quality assurance processes. | $3M / Seed / Jul 14, 2021 | ||
| Find time for what’s important | $3M / Pre-Seed / Jan 18, 2021 |
Co-Investors
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FAQ
What does Tuomas Artman invest in?
Tuomas Artman invests primarily in Software, Mobile Apps and Developer Tools startups, most often at Seed and Pre-Seed stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Tuomas Artman invest in?
Tuomas Artman typically joins rounds of $2.1M–$3M at Seed. These are whole funding-round sizes, not Tuomas Artman's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Tuomas Artman took part in.
How do I contact Tuomas Artman?
Public channels for Tuomas Artman include LinkedIn and X (Twitter). 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 Tuomas Artman last invest?
The most recent investment recorded for Tuomas Artman closed in Sep 2025. 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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