# Yves Weisselberger

> Yves Weisselberger is a seed investor backing Software. See 6 investments, round sizes, portfolio and contact details. Updated Nov 2026.

- Type: Angel Investor
- Location: Paris, France
- Total investments: 6
- Last investment: Sep 2024
- Lead investor: 0%
- Last updated: Nov 2026
- LinkedIn: https://www.linkedin.com/in/yves-weisselberger-4098a845
- Website: http://www.kds.com/

Yves Weisselberger is a seed investor in Paris focused on Software and Information Technology. Yves founded and managed KDS from its inception. During the first phase of growth, KDS focused primarily on designing and developing its break through technology. In the following years, Yves further defined KDS’s strategic business development and product offering, and positioned the company as a leading global provider of business travelmanagement solutions.Yves held the position of CEO until 2011, when he passed the title to Dean Forbes. Yves remains actively involved with KDS as Executive Chairman, advising the company on industry developments and assessing target organisations for acquisition or partnership. Before founding KDS, Yves was co-founder and sales manager of Klee Group, a consultancy specialising in systems integration and strategic e-Business applications for large corporations.Yves started his career as an engineer at Bull, a server and software vendor, where he held various executive positions. He was responsible for an operating systems development team and participated in various OS development projects. Yves graduated as an IT and Telecommunications engineer from Ecole Polytechnique in 1979 and from Ecole Nationale Supérieure des Télécommunications in 1984, two of the top French post-graduate engineering schools.

## Contacts

5 contacts available for Yves Weisselberger: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/yves-weisselberger?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $500k–$1.7M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 33% |
| Information Technology | 2 | 33% |
| Art | 1 | 17% |
| Drones | 1 | 17% |
| Bitcoin | 1 | 17% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 67% |
| Pre-Seed | 1 | 17% |
| Venture - Series Unknown | 1 | 17% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 3 | 50% |
| United States | 2 | 33% |
| Germany | 1 | 17% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ezymob | Ezymob is an IT company that provides digital solutions for transport accessibility improvement of places for people with disabilities. | $531.8K | Seed | Sep 04, 2024 | https://ezymob.fr/ |
| Urban Ray | Urban Ray offers last-mile parcel deliveries by drones with automated landing and storage stations on the ground. |  | Pre-Seed | May 22, 2023 | https://www.urban-ray.com |
| ACINQ | Founded in 2014, ACINQ is a French startup building products and services for the Bitcoin ecosystem. They are based in Paris, France. | $1.7M | Seed | Oct 04, 2018 | https://acinq.co/ |
| HireSweet | HireSweet allows Tech companies to recruit the best developers and regain control of their hiring process. HireSweet scans GitHub, Stack Overflow and other technical platforms to find the experts and potential engineers for their clients. HireSweet processes unstructured data, such as profile descriptions and categorizes developers depending onskills, projects, adaptability and more. | $1.8M | Venture - Series Unknown | Oct 24, 2017 | http://www.hiresweet.com |
| Mindsay | Mindsay provides companies with a simpler, more efficient way to interact with their customers. It has built a low-code and no-code Conversational AI platform, allowing companies to provide always-on, personalized customer service at scale. | $1.2M | Seed | Jun 26, 2017 | https://www.mindsay.com |
| Curioos | Curioos is the most vibrant marketplace for artist-designed products. We empower thousands of both established and emerging graphic artists from 80+ countries by showcasing and selling their work as high-quality wall art, apparel, and fashion accessories.Launched mid-2011 as a graphic art blog, Curioos has quickly become the go-to marketplacefor this new generation of digital native artists, fashion addicts, and interior design lovers.​www.curioos.com | $500K | Seed | Jul 29, 2012 | https://www.curioos.com |

6 of 6 investments shown.

## Co-investors
- [AccorHotels](https://shizune.co/investors/profile/accor) — VC Fund, 1 deal together
- [Accor](https://shizune.co/investors/profile/accor-0e63) — VC Fund, 1 deal together
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund, 1 deal together
- [DnA Ventures](https://shizune.co/investors/profile/dna-ventures) — VC Fund, 1 deal together
- [Global Founders Capital](https://shizune.co/investors/profile/global-founders-capital) — VC Fund, 1 deal together
- [Kima Ventures](https://shizune.co/investors/profile/kima-ventures) — VC Fund, 1 deal together

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## FAQ

### What does Yves Weisselberger invest in?

Yves Weisselberger invests primarily in Software, Information Technology and Art startups, most often at Seed and Pre-Seed stage. Most of the 6 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What round sizes does Yves Weisselberger invest in?

Yves Weisselberger typically joins rounds of $500k–$1.7M at Seed. These are whole funding-round sizes, not Yves Weisselberger's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Yves Weisselberger took part in.

### How do I contact Yves Weisselberger?

Public channels for Yves Weisselberger include LinkedIn and the website linked on this profile. 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 Yves Weisselberger last invest?

The most recent investment recorded for Yves Weisselberger closed in Sep 2024. 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 Nov 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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