Wajdi Fathallah

Former CTO & Founder @ Sifflet | Engineering Leadership | Guiding Data Strategy & Applied AI to Create Enterprise Value

๐Ÿ“ France๐Ÿ”„ Updated September 2026๐Ÿ’ผ 2 investments๐Ÿ“… 4 years investing๐Ÿ—“ Last invested Jun 2025
Operator-angel๐ŸŒ France
2
Total investments
2
Early stage
0
Mid stage
0
Late stage
4y
Years active

Portfolio

2 investments ยท sorted by recency
All investments
Early stage
Mid stage
Late stage
Angel Investor
Jun 2025
Guepard makes managing data simple and fast. Our platform helps businesses create and use databases instantly, save resources, and automate tasks like testing. Built for developers and data teams, Guepard provides a git like experience with collaboration and speed at the heart to adapt for modern data needs
Angel Investor
Oct 2022
๐——๐—ถ๐—ป๐— ๐—ผ ๐—ถ๐˜€ ๐˜๐—ต๐—ฒ ๐—–๐—ผ๐—บ๐—ฝ๐—ผ๐˜€๐—ฎ๐—ฏ๐—น๐—ฒ ๐—–๐——๐—ฃ ๐˜๐—ต๐—ฎ๐˜ ๐˜๐˜‚๐—ฟ๐—ป๐˜€ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ฐ๐—น๐—ผ๐˜‚๐—ฑ ๐—ฑ๐—ฎ๐˜๐—ฎ ๐˜„๐—ฎ๐—ฟ๐—ฒ๐—ต๐—ผ๐˜‚๐˜€๐—ฒ ๐—ถ๐—ป๐˜๐—ผ ๐—ฎ ๐—ด๐—ฟ๐—ผ๐˜„๐˜๐—ต ๐—ฒ๐—ป๐—ด๐—ถ๐—ป๐—ฒ. DinMo helps data-driven organizations activate customer data directly from their cloud data warehouseโ€”without duplication, complexity, or delays. We empower marketing teams with safe, self-serve access to real-time data, while keeping data teams in control. From audience building to omnichannel activation and predictive recommendations, DinMo transforms your data into action. Scalable, secure, and composable by design, DinMo is trusted by leading brands like Huel, Nexity, Galeries Lafayette, Interflora, LEquipe, Celio, and Ankorstore. ๐ŸŒ Learn more: dinmo.com ๐ŸŽฅ Book a demo: dinmo.com/contact ๐Ÿ“ฉ Contact: hello@dinmo.com
Experience ยท 4 entries
All (4)
Investments (2)
Founder (2)
2025
Co-Founder
Oct 2025
Data teams spend too much time firefighting โ€” bad data reaches the business before anyone catches it, root cause takes days, and the fix is invisible to the stakeholders who were burned. The result is a slow erosion of trust in every dashboard, report, and AI output the company relies on. We give data teams one layer that catches issues across the full stack, explains exactly where they came from, and shows how to resolve them โ€” before the CFO sees the wrong number. Teams like BBC, Saint-Gobain, Euronext, and CMA-CGM use Sifflet to run reliable data infrastructure at enterprise scale โ€” with coverage from legacy systems to modern cloud stacks. The result: fewer incidents, faster root cause, and data that can be defended in any meeting.
Angel Investor
Jun 2025
Guepard makes managing data simple and fast. Our platform helps businesses create and use databases instantly, save resources, and automate tasks like testing. Built for developers and data teams, Guepard provides a git like experience with collaboration and speed at the heart to adapt for modern data needs
2022
Angel Investor
Oct 2022
๐——๐—ถ๐—ป๐— ๐—ผ ๐—ถ๐˜€ ๐˜๐—ต๐—ฒ ๐—–๐—ผ๐—บ๐—ฝ๐—ผ๐˜€๐—ฎ๐—ฏ๐—น๐—ฒ ๐—–๐——๐—ฃ ๐˜๐—ต๐—ฎ๐˜ ๐˜๐˜‚๐—ฟ๐—ป๐˜€ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ฐ๐—น๐—ผ๐˜‚๐—ฑ ๐—ฑ๐—ฎ๐˜๐—ฎ ๐˜„๐—ฎ๐—ฟ๐—ฒ๐—ต๐—ผ๐˜‚๐˜€๐—ฒ ๐—ถ๐—ป๐˜๐—ผ ๐—ฎ ๐—ด๐—ฟ๐—ผ๐˜„๐˜๐—ต ๐—ฒ๐—ป๐—ด๐—ถ๐—ป๐—ฒ. DinMo helps data-driven organizations activate customer data directly from their cloud data warehouseโ€”without duplication, complexity, or delays. We empower marketing teams with safe, self-serve access to real-time data, while keeping data teams in control. From audience building to omnichannel activation and predictive recommendations, DinMo transforms your data into action. Scalable, secure, and composable by design, DinMo is trusted by leading brands like Huel, Nexity, Galeries Lafayette, Interflora, LEquipe, Celio, and Ankorstore. ๐ŸŒ Learn more: dinmo.com ๐ŸŽฅ Book a demo: dinmo.com/contact ๐Ÿ“ฉ Contact: hello@dinmo.com
2016
Data and Cloud Architect & Founder
Nov 2016
Valuraise is a consulting firm specialized in data engineering. Our mission is to make data your best asset.