Stefan Brunner
founders family @ Founderful
Zürich, Switzerland
Stefan Brunner is a seed investor at Founderful in Zürich focused on SaaS and Audio. Entrepreneur | Co-founder bexio AG
- Total investments:
- 2
- Last investment:
- Lead investor:
- 100%
Last updated:
For AI agents: llms.txt
Industries Stefan Brunner invests in
Stages Stefan Brunner invests in
Countries Stefan Brunner invests in
Investment Focus
Industry
- SaaS 1 (50%)
- Audio 1 (50%)
- Music 1 (50%)
- Events 1 (50%)
- CleanTech 1 (50%)
Stage
- Seed 1 (50%)
- Venture - Series Unknown 1 (50%)
Country
- Germany 1 (50%)
- Switzerland 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
AIRICA
|
AIRICA combines real-time air quality measurements with advanced artificial intelligence and gives you continuous feedback on the quality of the indoor air. | Venture - Series Unknown / Mar 10, 2021 | |
OPTUNE
|
Optune is the first digital workspace that connects all stakeholders in the live music industry to facilitate their daily tasks focusing on event management and booking processing. Optune revolutionizes the existing workflow regarding efficiency, transparency and data driven optimization. onescreener, Optune’s promotion tool, helps artists tocreate a web presence in few simple clicks. | Seed / Nov 11, 2019 |
Co-Investors
About Founderful
Founderful operates as a venture capital firm and a Switzerland’s leading pre-seed fund.
Founderful Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Alex Stöckl
Founding Partner
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Emily Kruse
Chief Financial Officer
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Lukas Weder
Founding Partner
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Pascal Mathis
Founding Partner
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Antonia Albert
Principal
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FAQ
What does Stefan Brunner invest in?
Stefan Brunner invests primarily in SaaS, Audio and Music startups, most often at Seed and Venture - Series Unknown stage. Most of the 2 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did Stefan Brunner last invest?
The most recent investment recorded for Stefan Brunner closed in Mar 2021. Shizune tracks 2 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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