Sienna Venture Capital
Venture capitalParis · Series A–Growth · 7 people tracked
Find your way into Sienna Venture Capital
1,675 people in our graph share verified history with the Sienna Venture Capital team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Sienna Venture Capital invests in early growth and growth-stage technology companies, typically deploying $5 to $10 million per company. The firm applies disciplined investment criteria and leads or co-leads rounds. Founded by Isabelle and Thomas, who previously worked together within an investment holding co-founded by Isabelle where they helped launch several venture capital funds and backed 50+ tech companies, the firm operates in partnership with GBL. Beyond capital, the team positions itself as trusted and approachable advisors to the businesses it supports, focused on fostering growth and innovation across the tech sector.
Source: firm website, verified Aug 3, 2026.
Team · 7 people
from the firm's website & curated & public directoriesWhat they invest in
from 8 of 11 portfolio companiesAI & Machine Learning ×5SaaS ×3AgTech ×2Cybersecurity ×2Enterprise Software ×2Hardware ×2IoT ×2Climate Tech ×1
HQs:Israel×2United States×1
Investments · 11 tracked
founders shown can be your intro pathBy year:2025 · 12023 · 12 dated
DustPhotonics develops silicon photonics chips (PICs) and an end-to-end SiPho platform with laser integration and fiber coupling, based on its proprietary L3C laser-attach technology.
Deep TechHardwareSemiconductors
Co-investorsCelesta CapitalCelesta CapitalDeep InsightGreenfield PartnersIntel CapitalKey1 Capital
Hourly is a platform that combines payroll, time tracking, HR, and workers' compensation insurance in one system, using real-time wage data to keep insurance premiums accurate.
FintechHR TechInsurTechSaaSPalo Alto, US
Shay Litvak(Executive Officer, Director)inTomer Sagi(Executive Officer, Director, Promoter)Tom Sagi(Co-founder & CEO)inTal Sagi(Executive Officer, Director)Amir Faintuch(Director)in
BoardHaim Sadger(Director)in
Co-investorsEvolution VenturesGlilot Capital PartnersMS&AD VenturesB Capital GroupCoinbase VenturesCommerce Ventures+8 more
Incredo develops sugar-reduction technology for the food and beverage industry, enabling manufacturers to create better-for-you products with improved taste profiles.
AgTechFoodTech
Co-investorsFLORA VenturesGefen CapitalRhodiumBlueRed Partnersdsm-firmenich VenturingPitango
Nexar manufactures AI-powered dash cams with cloud storage, real-time incident detection, and live streaming capabilities for drivers.
AI & Machine LearningHardwareIoT
Bruno Fernandez-Ruiz(Co-Founder & CTO)inEran Shir(Founder)in
Co-investorsAlephCatalyst Investments, L.P.Expansion Venture CapitalManiv MobilityMosaic VenturesTransLink Capital+5 more
Second Nature offers an AI-driven role-play training platform where sales reps and support agents practice scenarios such as discovery calls, objection handling, and escalations, receiving real-time feedback and coaching.
AI & Machine LearningSaaSSales TechTel Aviv, IL
Alon Shalita(Founder)in
Co-investorsBright Pixel CapitalGrit VenturesStageOne Ventures
Seemplicity provides an AI-driven platform that automates exposure management and remediation for security teams, turning vulnerability findings into prioritized, actionable tasks delivered through existing tools.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Yoran Sirkis(CEO and Co-Founder)inRavid Circus(Chief Product Officer and Co-Founder)inRotem Cohen Gadol(Chief Technology Officer and Co-Founder)in
Co-investorsAtlantic Bridge VenturesGlilot Capital PartnersRain Capital
Seemplicity provides an AI-driven exposure and remediation management platform that aggregates and deduplicates security findings across scanning tools, prioritizes risks, and automates remediation workflows.
AI & Machine LearningCybersecurityEnterprise Software
Rotem Cohen Gadol(Founder)in
Co-investorsNTT Venture CapitalAtlantic Bridge VenturesGlilot Capital PartnersRain CapitalS Capital
SupPlant offers Plant, a sensor-less AI advisory service delivered over WhatsApp that gives farmers daily irrigation plans, weather alerts, and crop questions answered, using satellite imagery, hyperlocal weather, and models trained on years of in-field plant sensing across 18+ crops.
AgTechAI & Machine LearningClimate TechIoTAfula, IL
Co-investorsDCVC (Data Collective)Red Dot Capital PartnersMaor Investments
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
IbexUnleash
Portfolio news
latest coverage across their companiesHourly · walmartdesk.com · Jul 17, 2026

Nexar · calcalistech.com · Jul 2, 2026
Seemplicity · pulse2.com · Aug 22, 2025
Seemplicity · jpost.com · Aug 21, 2025
Frequently asked questions
- How many investments has Sienna Venture Capital made?
- Sienna Venture Capital has 11 tracked investments, including 1 dated in the last 24 months.
- What stage does Sienna Venture Capital invest at?
- Sienna Venture Capital invests at the Series A, Growth stages.
- What is Sienna Venture Capital's typical check size?
- Sienna Venture Capital typically writes checks of $5M – $10M.
- What sectors does Sienna Venture Capital focus on?
- Sienna Venture Capital focuses on AI & Machine Learning, Data & Infrastructure, Enterprise Software, Fintech, FoodTech, InsurTech, Mobility & Transportation, SaaS, Sector Agnostic, Semiconductors.
- Where is Sienna Venture Capital located?
- Sienna Venture Capital is headquartered in Paris, FR.
- Does Sienna Venture Capital lead rounds?
- Yes, Sienna Venture Capital leads investment rounds.
- Who does Sienna Venture Capital co-invest with?
- Sienna Venture Capital most often shares deals with DCVC (Data Collective), Intel Capital, Mosaic Ventures, among 20 tracked co-investors.
Media · Podcasts & interviews
featuring the teamL'Agefi interviews Isabelle Amiel Azoulai: "Sienna Venture Capital believes in Tech for Purpose!"
Sienna Investment Managers · Isabelle Amiel
Images
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