Jascha Samadi
Co-Founder and Partner @ Greenfield
Berlin, Germany
Jascha Samadi is a seed investor at Greenfield in Berlin focused on SaaS and Fashion. Jascha Samadi is Co-Founder and Partner at Greenfield One (www.greenfield.one), a Berlin-based early-stage venture fund dedicated to blockchain and crypto. Greenfield One makes long-term bets on early developer teams building towards an open, decentralized and more robust architecture of tomorrow’s web. Prior to Greenfield One, Jascha wasCo-Founder and CEO of apprupt, a mobile platform for app developers and brands which was acquired by browser maker Opera Software (NASDAQ: OPRA) in 2014, where he also got involved with blockchain and crypto. Over the past years he has been an active investor in the space and also Co-Founder of Flux (www.flux.market), a scalable open market protocol.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 63%
Last updated:
For AI agents: llms.txt
Industries Jascha Samadi invests in
Stages Jascha Samadi invests in
Countries Jascha Samadi invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $566k–$10M
- Series A
- $14M–$15M
Investment Focus
Industry
- SaaS 2 (25%)
- Fashion 2 (25%)
- Software 2 (25%)
- Marketing 2 (25%)
- Email 1 (13%)
Stage
- Seed 5 (63%)
- Series A 2 (25%)
- Venture - Series Unknown 1 (13%)
Country
- United States 2 (25%)
- Switzerland 1 (13%)
- United Kingdom 1 (13%)
- The Netherlands 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| BitcoinOS is a Decentralized Finance company that builds and develops Bitcoin ecosystem. | $10M / Venture - Series Unknown / Oct 21, 2025 | ||
| DRESSX is a fashion startup that offers digital-only collections from brands and 3D designers. The startup gives digital clothes that may be digitally worn by its customers of their photographs and movies to be shared throughout varied digital platforms. It was founded in 2020 and is headquartered in Los Angeles, California. | $15M / Series A / Feb 28, 2023 | ||
| EtherMail is the Web 3.0 Email Solution setting the standard for anonymous and encrypted wallet-to-wallet communication. | $3M / Seed / Jul 29, 2022 | ||
| The Fabricant is an AI-powered design platform founded in 2018 that helps fashion brands replace physical sampling with virtual prototyping. Used by leading brands including Hugo Boss, Fynch-Hatton, Bestseller Group, Prenatal, and Napapijri. The platform enables design teams to visualize drape, texture, and fit instantly — moving from concept toe-commerce in minutes, not months. The platform reduces content creation costs by 90%, increases new design explorations by 80%, and cuts concept-to-prototype time by 50-70%. It includes tools for sketch-to-image rendering, AI photo studio, image-to-video animation, virtual sampling, and generative image editing. The Fabricant serves enterprise fashion brands and design teams globally, with particular strength in the European market. Plans are available from free to enterprise level, making AI-powered virtual prototyping accessible to teams of all sizes. | $14M / Series A / Apr 07, 2022 | ||
| Hats Finance is a decentralized cybersecurity incentive network governed by its stakeholders of hackers, projects, and token holders. | $3.5M / Seed / Aug 30, 2021 | ||
| SEDA is a multichain, permissionless protocol connecting real world data to any network on-chain | $10.3M / Seed / May 20, 2021 | ||
| Aiden provides an AI analytics platform intended to assist marketers how to spend their budget efficiently. Its platform uses machine learning reading to analyze large sets of paid advertising data, enabling clients to proactively make changes to improve ROI of their manage multichannel paid acquisition campaigns easily. | $750K / Seed / Mar 29, 2017 | ||
| Stoyo develops a social video advertisement creation platform to facilitate data-driven advertisement creation. It creates engaging video content for Instagram and Facebook, allowing businesses to to engage their customers on social networks without a hassle. | $565.8K / Seed / Mar 17, 2016 |
Co-Investors
About Greenfield
We are long-term backers of early developer teams building toward an open, decentralized and more robust architecture of tomorrow’s web.
Greenfield Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Claude Donzé
Principal
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Felix Machart
Partner
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Jascha Samadi
Co-Founder and Partner
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Jendrik Poloczek
Principal Research Engineer
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Sebastian Blum
Co-Founder and Partner
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FAQ
What does Jascha Samadi invest in?
Jascha Samadi invests primarily in SaaS, Fashion and Software startups, most often at Seed and Series A stage. Most of the 8 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Jascha Samadi's check size?
Jascha Samadi typically joins rounds of $566k–$10M at Seed and $14M–$15M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jascha Samadi participates in.
How do I contact Jascha Samadi?
Public channels for Jascha Samadi 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 Jascha Samadi last invest?
The most recent investment recorded for Jascha Samadi closed in Oct 2025. Shizune tracks 8 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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