# Ronald Strässler

> Ronald Strässler is a seed investor in Zürich backing Water, Software and CleanTech. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Zürich, Switzerland
- Total investments: 3
- Last investment: Sep 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ronald-straessler

Ronald Strässler is a Co-Founder at Avaloq.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $641k–$2.2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Water | 1 | 33% |
| Software | 1 | 33% |
| CleanTech | 1 | 33% |
| Social Media | 1 | 33% |
| Biotechnology | 1 | 33% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Series B | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| yeekatee | theme-based social media platforms | $641K | Seed | Sep 11, 2023 |  |
| Veertly | Veertly provides a modular all-in-one platform that satisfies all your needs for digital collaboration. | $2.2M | Seed | Oct 25, 2021 |  |
| bNovate Technologies | BNovate Technologies develops automated water monitoring systems, focusing on microbiological analysis through flow cytometry. The company designs devices that measure bacterial loads in water, supporting applications in drinking water safety and pharmaceutical processes. Its technology enables continuous and automated detection of microbialcontamination, reducing the need for manual testing and improving response times. | $5.5M | Series B | May 07, 2021 |  |

3 of 3 investments shown.

## Co-investors
- [Carl Group](https://shizune.co/investors/profile/carl-group) — VC Fund, 1 deal together
- [Celeste Management](https://shizune.co/investors/profile/celeste-management) — VC Fund, 1 deal together
- [coparion](https://shizune.co/investors/profile/coparion) — VC Fund, 1 deal together
- [Groundshift](https://shizune.co/investors/profile/fivet-fintech-formerly-avaloq-ventures) — VC Fund, 1 deal together
- [SICTIC](https://shizune.co/investors/profile/sictic) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund

### 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

### Similar country
- [SICTIC](https://shizune.co/investors/profile/sictic) — VC Fund
- [Zürcher Kantonal Bank](https://shizune.co/investors/profile/z%C3%BCrcher-kantonalbank) — VC Fund
- [Foundation for Innovation and Technology (FIT)](https://shizune.co/investors/profile/foundation-pour-l-innovation-technologique) — VC Fund

## Featured in investor lists
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- [Media (entertainment) Investors in Switzerland](https://shizune.co/investors/media-entertainment-investors-switzerland)
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- [Social Media Investors in Switzerland](https://shizune.co/investors/social-media-investors-switzerland)

## FAQ

### What does Ronald Strässler invest in?

Ronald Strässler invests primarily in Water, Software and CleanTech startups, most often at Seed and Series B stage. Most of the 3 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Ronald Strässler's check size?

Ronald Strässler typically joins rounds of $641k–$2.2M 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 Ronald Strässler participates in.

### When did Ronald Strässler last invest?

The most recent investment recorded for Ronald Strässler closed in Sep 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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