How many investments has Sienna Venture Capital made?

Sienna Venture Capital has 9 tracked investments.

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.

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 19 tracked co-investors.

Sienna Venture Capital

Venture capital

Paris · Series A–Growth · 7 people tracked

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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.

Invests inAI & Machine Learning Data & Infrastructure Enterprise Software Fintech FoodTech InsurTech Mobility & Transportation SaaSSector AgnosticSemiconductors Asia-Pacific Europe Global Israel Paris United States

Source: firm website, verified Aug 3, 2026.

Stage

Series A–Growth

Check

$5M – $10M

Paris, FR

Leads rounds

Leads

Instruments

Equity

Founded

2022

Tracked investments

Team · 7 people

from the firm's website & curated & public directories

Isabelle Amiel· Founding & Managing Partnerin

Isabelle Amiel is the Founding and Managing Partner of Sienna Venture Capital, which she launched in partnership with Groupe Bruxelles Lambert (GBL). She began her career at Crédit Suisse in 1997, leading the department serving ultra-high-net-worth individuals and single-family offices, and in 2014 co-founded La Maison Partners, where she was Managing Partner and Chief Investment Officer. Over her career she has raised and managed five venture capital funds with over $500M in assets and led more than 50 direct tech investments across Israel, Europe, the US, and Southeast Asia.

i•••@sienna-vc.comreveal

Mikael Pereira· Partner· United Kingdomin

m•••@sienna-vc.comreveal

Thomas Visan· Partner· Paris, Île-de-France, Francein

Thomas Visan is a Partner at Sienna Venture Capital, working on early growth and growth-stage investments in cybersecurity, digital health, and artificial intelligence, and sits on the boards of several portfolio companies. He has more than ten years of venture capital experience, including time at La Maison Partners where he helped set up five funds and led 40 investments across Europe, the US, and Israel. He started his career at the private equity firm Zilkha Investments in New York.

t•••@sienna-vc.comreveal

Clara de Maubeuge· Executive Assistant

Inès Mas· Investment Team· San Francisco, California, United Statesin

Inès Mas joined Sienna VC's investment team in April 2025, where she works on early growth tech investment opportunities. She previously worked in strategy at Papernest and gained M&A and investment experience at Houlihan Lokey and Bpifrance. She holds a double Master's degree in Management from emlyon business school and in Business Law, and completed a scientific preparatory program at Lycée Pierre de Fermat.

Paul-Louis Bisbarre· Associate· Greater Paris Metropolitan Regionin

Paul-Louis Bisbarre joined the investment team at Sienna VC in January 2023. He previously worked at Impulse Partners, a strategy consulting firm, advising early-stage startups and executives on innovation in the proptech and smart city sectors. He holds a Master in Management from EM Lyon and a bachelor's degree in economics from Paris II Panthéon Assas.

p•••@sienna-vc.comreveal

Yong Sun· Associate· Paris, Île-de-France, Francein

Advisor and Managing Director at Ping An Capital with over a decade in M&A and minority investments, including the Autohome and Mayborn acquisitions. Previously held strategy and investment roles at Cargill.

What they invest in

from 6 of 10 portfolio companies

AI & Machine Learning ×4SaaS ×3Hardware ×2IoT ×2AgTech ×1Cybersecurity ×1Deep Tech ×1Fintech ×1

HQs:Israel×1United States×1

Investments · 10 tracked

founders shown can be your intro path

Dust Photonicsdustphotonics.com in 𝕏

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 Capital Celesta Capital Deep Insight Greenfield Partners Intel Capital Key1 Capital

Hourlyhourly.io in

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)Tomer Sagi(Executive Officer, Director, Promoter)Tom Sagi(Co-founder & CEO)inTal Sagi(Executive Officer, Director)Amir Faintuch(Director)

BoardHaim Sadger(Director)in

Co-investorsEvolution Ventures Glilot Capital Partners MS&AD Ventures J-Ventures S Capital

Ibex

AI imaging solution for cancer diagnostics.

Incredo

Sugar-based technology aimed at transforming the sugar industry.

Nexargetnexar.com in 𝕏

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)Eran Shir(Founder)in

Co-investorsAleph Catalyst Investments, L.P.Expansion Venture Capital Maniv Mobility Mosaic Ventures TransLink Capital +3 more

Second-Naturesecondnature.ai in

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)

Co-investorsBright Pixel Capital Grit Ventures StageOne Ventures

Seemplicityseemplicity.ai in 𝕏

Seemplicity offers an AI-driven exposure and remediation management platform that aggregates and deduplicates security findings across tools, prioritizes risks, and automates remediation workflows for enterprise security teams.

AI & Machine LearningCybersecuritySaaS

Co-investorsAtlantic Bridge Ventures Glilot Capital Partners Rain Capital

Seemplicity

Platform that automates and orchestrates security remediation across teams and tools.

SupPlantsupplant.me in

Supplant offers a sensor-based system (SNS) that measures fruit, trunk, leaf and soil data to generate personalized irrigation recommendations for farmers.

AgTechAI & Machine LearningIoT

Ori Ben Nerin

Co-investorsDCVC (Data Collective)Red Dot Capital Partners Maor Investments

Unleash

Gen-AI based search engine that simplifies enterprise knowledge management.

Portfolio news

latest coverage across their companies

Walmart Hourly Pay by Position 2026 Wages & Raises

Hourly · walmartdesk.com · Jul 17, 2026

Nexar and Nauto merge in stock deal to form global physical AI company focused on real-world driving systems | CTech

Nexar · calcalistech.com · Jul 2, 2026

Seemplicity: $50 Million Series B Secured For Exposure Management Platform

Seemplicity · pulse2.com · Aug 22, 2025

Frequently asked questions

How many investments has Sienna Venture Capital made?: Sienna Venture Capital has 9 tracked investments.
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 19 tracked co-investors.

Media · Podcasts & interviews

featuring the team

L'Agefi interviews Isabelle Amiel Azoulai: "Sienna Venture Capital believes in Tech for Purpose!"

Sienna Investment Managers · Isabelle Amiel

Images

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