Jean-Sébastien Wallez
Co-founder & CEO @ Dmail
Paris, France
Jean-Sébastien Wallez is a seed investor at Dmail in Paris focused on Marketplace and SaaS. Jean-Sébastien is the Co-founder and CEO at Dmail. He attended the University of Paris I: Panthéon-Sorbonne.
- Total investments:
- 9
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Jean-Sébastien Wallez invests in
Stages Jean-Sébastien Wallez invests in
Countries Jean-Sébastien Wallez invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Marketplace 2 (22%)
- SaaS 1 (11%)
- Travel 1 (11%)
- FinTech 1 (11%)
- Finance 1 (11%)
Stage
- Seed 2 (22%)
- Angel 2 (22%)
- Secondary Market 2 (22%)
- Pre-Seed 1 (11%)
- Series C 1 (11%)
Country
- United States 4 (44%)
- France 1 (11%)
- United Kingdom 1 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Airbnb
|
Airbnb is an online community marketplace for people to list, discover, and book accommodations through mobile phones or the internet.The company connects travelers seeking authentic experiences with hosts offering unique, inspiring spaces. Whether the available space is a castle for a night, a sailboat for a week, or an apartment for a month,Airbnb is the easiest way for people to showcase these distinctive spaces to an audience of millions. By facilitating bookings and financial transactions, Airbnb makes the process of listing or booking a space effortless and efficient.With 4,500,000 listings in over 65,000 cities in 191 countries, the company offers the widest variety of unique spaces for everyone, at any price point around the globe. The company was co-founded in August 2008 by Brian Chesky and Joe Gebbia, and is currently headquartered in San Francisco, California. | Secondary Market / Jun 03, 2020 | |
Wanted
|
Wanted is an anonymous marketplace to switch jobs at your desired salary. Keep an eye on the job market while receiving committed job opportunities at your chosen salary. You will remain fully anonymous unless you agree to an interview. | $2M / Angel / Feb 01, 2020 | |
|
Airbnb
|
Airbnb is an online community marketplace for people to list, discover, and book accommodations through mobile phones or the internet.The company connects travelers seeking authentic experiences with hosts offering unique, inspiring spaces. Whether the available space is a castle for a night, a sailboat for a week, or an apartment for a month,Airbnb is the easiest way for people to showcase these distinctive spaces to an audience of millions. By facilitating bookings and financial transactions, Airbnb makes the process of listing or booking a space effortless and efficient.With 4,500,000 listings in over 65,000 cities in 191 countries, the company offers the widest variety of unique spaces for everyone, at any price point around the globe. The company was co-founded in August 2008 by Brian Chesky and Joe Gebbia, and is currently headquartered in San Francisco, California. | $25M / Secondary Market / Dec 30, 2019 | |
|
Wanted
|
Wanted is an anonymous marketplace to switch jobs at your desired salary. Keep an eye on the job market while receiving committed job opportunities at your chosen salary. You will remain fully anonymous unless you agree to an interview. | Seed / Dec 26, 2019 | |
Algolia
|
Algolia is the search-as-a-service platform that enables companies of all sizes to deliver fast and relevant digital experiences that drive real results. With Algolia, consumers are able to easily find and discover what they want across the web, mobile, and voice. Algolia allows developers and business teams to build and optimize delightful Search& Discovery experiences that increase online engagement, conversion rates, and revenue. | $110M / Series C / Oct 15, 2019 | |
Northflank
|
The comprehensive developer platform to build and scale microservices, jobs and managed databases with a powerful UI, API & CLI. | Pre-Seed / Jul 25, 2019 | |
|
Northflank
|
The comprehensive developer platform to build and scale microservices, jobs and managed databases with a powerful UI, API & CLI. | Angel / Jul 25, 2019 | |
Shipfix
|
Shipfix is a fast-growing collaborative workflow and data platform for the maritime and trade sectors, driven by groundbreaking AI-enabled tools. The platform streamlines maritime workflows with market and operational intelligence with a focus on shipowners, commodity traders, industrials, freight forwarders, and shipbrokers.With Shipfix,maritime and trade professionals make better-informed decisions and move faster. | Seed / Dec 21, 2018 | |
Stripe
|
Stripe is a technology company that builds economic infrastructure for the Internet. Stripe is a platform for commercial finance infrastructure. Stripe is used by millions of businesses, ranging from the biggest corporations in the world to the most ambitious startups, to take payments, increase revenue, and open up new business prospects. | Secondary Market / Mar 28, 2017 |
Co-Investors
About Dmail
Dmail helps turn the emails into DMs and it works with Gmail.
Dmail Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Jean-Sébastien Wallez
Co-founder & CEO
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FAQ
What does Jean-Sébastien Wallez invest in?
Jean-Sébastien Wallez invests primarily in Marketplace, SaaS and Travel startups, most often at Seed and Angel stage. Most of the 9 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Jean-Sébastien Wallez?
Public channels for Jean-Sébastien Wallez include LinkedIn, X (Twitter) 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 Jean-Sébastien Wallez last invest?
The most recent investment recorded for Jean-Sébastien Wallez closed in Jun 2020. Shizune tracks 9 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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