# François Lavaste

> François Lavaste is a Series B investor at Ace Capital Partners backing Software. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Ace Capital Partners](https://shizune.co/investors/profile/ace-capital-partners)
- Location: Paris, France
- Total investments: 4
- Last investment: Jun 2024
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/francois-lavaste-bab913
- X (Twitter): http://twitter.com/Netasq
- Website: http://www.netasq.com

François Lavaste is a Series B investor at Ace Capital Partners in Paris focused on Software and Cyber Security. François Lavaste

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 75% |
| Cyber Security | 3 | 75% |
| Security | 2 | 50% |
| Email | 1 | 25% |
| Consulting | 1 | 25% |

15 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 2 | 50% |
| Series C | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 3 | 75% |
| The Netherlands | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| OSS Ventures | OSS Ventures, founded by Renan Devillières, is a startup studio on a mission to support the French industry through technological, environmental, social, and societal transition. Since its 2019 inception, OSS Ventures has created 15 startups, mainly in France but also internationally, and invested in four others. For more information, please visit:www.oss.ventures | $9.1M | Series B | Jun 20, 2024 |  |
| TEHTRIS | TEHTRIS is a company founded in 2010, expert in cybersecurity and publisher of the TEHTRIS XDR Platform, deployed in many business lines all around the world. TEHTRIS products protect companies, from multinationals to small businesses and are easy to deploy. TEHTRIS proposes a wide and deep technology portfolio with multiple solutions against cyberthreats like spying or sabotage. TEHTRIS consultants master attacker techniques and methods (hackers, strategic intelligence, computer warfare, etc.) and create the necessary resources to counter advanced cyber threats. | $42.7M | Series B | Oct 12, 2022 |  |
| Vade Secure | Vade Secure is the global leader on anti-phishing, spear phishing, malware and ransomware with heuristic filtering. Language independent, the filter analyzes globally all incoming emails (links, attached files, content…) to detect all threats in zero-day, even the most targeted attacks. After elimination all threats, we eliminate the nuisance oflow priority emails with the Graymail Management. Ads, social networks notifications, and newsletters are automatically sent to the graymail folder while the Safe Unsubscribe button eliminate them forever.Protecting more than 500 million of mailboxes in 76 countries, our solutions are used by major ISPs, OEMs, and Enterprises worldwide. Vade Secure is implanted in 5 countries (USA, Canada, France, Hong Kong, and Japan) to offer a 24/7 support.For more information, please visit www.vadesecure.com/en. | $30.1M | Venture - Series Unknown | May 31, 2022 |  |
| EclecticIQ | EclecticIQ is a global threat intelligence, hunting and response technology provider. Its clients are some of the most targeted organizations, globally. To build tomorrow’s defenses today, they have to understand the threats against them – and align their efforts and investments to mitigate their risks. EclecticIQ helps governments, largeenterprises and service providers manage threat intelligence, create situational awareness and adopt an intelligence-led cybersecurity approach. EclecticIQ extended its focus towards hunting and response with the acquisition of Polylogyx’s endpoint technology in 2020. Founded in 2014, EclecticIQ operates globally with offices across Europe, North America, and via value-add partners. More info: www.eclecticiq.com | $21.2M | Series C | Nov 30, 2020 |  |

4 of 4 investments shown.

## Co-investors
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund, 2 deals together
- [AQUITI Gestion](https://shizune.co/investors/profile/aquiti-gestion-aci) — VC Fund, 1 deal together
- [Arches Capital](https://shizune.co/investors/profile/arches-capital) — VC Fund, 1 deal together
- [Auriga Partners](https://shizune.co/investors/profile/auriga-partners) — VC Fund, 1 deal together
- [Capricorn Partners](https://shizune.co/investors/profile/capricorn-partners) — VC Fund, 1 deal together
- [Établissement Peugeot Frères](https://shizune.co/investors/profile/%C3%A9tablissement-peugeot-fr%C3%A8res) — VC Fund, 1 deal together

## About Ace Capital Partners

VC Fund · Paris, France

Ace invests with a sector-focused approach, active in Industrials and Technology. The firm builds partnerships with large corporates (including Airbus, Safran, Dassault Aviation, Thales, EDF, Naval Group, Sopra Steria), which invest in its funds and maintain an ongoing dialogue with the firm, enabling Ace to take a differentiated approach toinvesting. Ace provides capital for businesses going through transformation, with the ability to invest with a variety in growth, buyout, and restructuring situations. We focus on companies with a proven expertise in their market, and with high and resilient intrinsic value, but which require transformation to deliver on their potential. We act as a strategic partner to management as we transform operations, and restructure/grow the business both organically and through external growth. Ace is active throughout Europe and North America. The firm has offices in Paris, Toulouse, Bordeaux and Montreal, and accesses the global network of Tikehau Capital offices (London, Milan, Madrid, Brussels, New York, Singapore, Tokyo and Seoul). Investment strategies overview: - Growth Capital: investment in high/hyper growth companies raising money in Series A through C, active in the Cybersecurity and Digital Trust verticals o Investment amount: up to €50m o Sector of focus: Technology (e.g. Cybersecurity, Digital Trust) - Support Capital: development capital / special opportunities (minority or control) investments in companies requiring capital to stabilise and or grow operations o Investment amount: up to €50m o Sector of focus: Industrials (e.g. Aerospace, Defence) - Platform Capital: development capital / special opportunities (minority or control) investments in companies requiring capital to stabilise and or grow operations o Investment amount: €50-200m o Sector of focus: Industrials (e.g. Aerospace, Defence)

5 contacts available at Ace Capital Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Quentin Besnard | Executive Director | https://shizune.co/investors/profile/quentin-besnard |
| Arnaud Coustillière | Operating Partner | https://shizune.co/investors/profile/arnaud-coustilli%C3%A8re |
| Eric Zanin | Operating Advisor | https://shizune.co/investors/profile/eric-zanin |
| Franck Crépin | Managing Director | https://shizune.co/investors/profile/franck-cr%C3%A9pin |
| François Lavaste | Executive Director | https://shizune.co/investors/profile/fran%C3%A7ois-lavaste |

## Similar investors

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## FAQ

### What does François Lavaste invest in?

François Lavaste invests primarily in Software, Cyber Security and Security startups, most often at Series B and Series C stage. Most of the 4 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did François Lavaste last invest?

The most recent investment recorded for François Lavaste closed in Jun 2024. Shizune tracks 4 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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