About
Marius Thebault is a Principal at Circular Innovation Fund focused on growth equity investments. He has experience in due diligence, valuation modeling, transaction execution, and portfolio company support across growth-stage companies. Thebault holds dual US-French citizenship and brings international experience to identifying expansion-phase opportunities.
Experience
- Circular Innovation FundPrincipalcurrent2026 — presentParis, Île-de-France, France
- Circular Innovation FundAssociate2023 — 2025Paris, Île-de-France, France
- SPRiNGBoard Observercurrent2025 — present
- Blue Foot Membranes NVBoard Observercurrent2023 — presentLommel, Flemish Region, Belgium
- NanomoxBoard Observercurrent2024 — presentGreater London, England, United Kingdom
- DemeterAssociatecurrent2023 — presentParis, Île-de-France, France
- Grenoble Ecole de ManagementLecturercurrent2022 — present
- Eiffel Investment GroupInvestment Analyst2020 — 2023Paris, Île-de-France, France
- BNP ParibasMarket Risk Analyst2019New York City Metropolitan Area
- VirbacFinancial Controller2018Greater Nice Metropolitan Area
Education
- Grenoble Ecole de ManagementProgramme Grande École & MSc Finance, Management
- Lycée HocheClasse Préparatoire aux Grandes Écoles ECS, Mathematics
- Concordia UniversityBachelor of Science (BSc), Physics and Pure Mathematics
- Lycee International de St. Germain-en-LayeBaccalauréat Option International (OIB), Scientifique spécialisation Physique
- Pace University - Lubin School of BusinessSemester Abroad, Finance
Skills & more
NegotiationTeam Management17Spanish4French7English12Growth InvestingRisk ManagementValue CreationVenture FinancingVenture CapitalInvestmentsFinancial Analysis
+12 more
Private EquityDeal ExecutionQuantitative FinanceMarket AnalysisDue DiligenceFinancial ServicesInvestment ManagementCredit AnalysisVenture DebtStress TestingAlternative InvestmentsMicrosoft ExcelFrom Marius's professional profile.
Same school
Also attended Grenoble Ecole de Management40
Luca FerraresiProject Specialist at P101 VenturesDavid GuérinPartner at Brighteye VenturesMichel SassanoPartner & Tech Lead at C4 VenturesDr. Christopher OsterFounder and former CEO of CLARK at PICUS CAPITALLinn NilssonInvestor at Almi InvestKaitlyn TregenzaAdvisor at Emmeline Ventures
+ 34 more
Also attended Lycée Hoche8
Cyprien BenoistInvestor at HeadlineVictor ChamfeuilAssociate at Axeleo CapitalLéopold LambertPartner, Head of Product at OSS VenturesSamuel TouboulManaging Partner at Saviu VenturesJulien MacquetInvestment Manager at ElaiaAurelien MashhourFamily Officer at Ivesta Family Office
+ 2 more
Also attended Concordia University91
Harley FinkelsteinInvestor at Felicis VenturesDavid NaultGeneral Partner at Luge CapitalZack UrlockerInvestor at Index VenturesCagdas YildizInvestment | Simya VC at 212Domenic Del VecchioPrincipal at Panache VenturesSep AlaviGeneral Partner at White Star Capital
+ 85 more
Also attended Lycee International de St. Germain-en-Laye3
Shared employers
Also worked at Blue Foot Membranes NV1
Also worked at Demeter5
Benjamin WainstainPartner at InnovacomAndrée-Lise MéthotFounder and Managing Partner, Cycle Capital at Circular Innovation FundSophie Paturle-GuesnerotCo-founder and Managing Partner, Demeter at Circular Innovation FundStéphane VillecrozeCo-founder and Managing Partner, Demeter at Circular Innovation FundCandice Le GallDirectrice d'investissement at Innovacom
Also worked at Eiffel Investment Group3
Also worked at BNP Paribas194
Alessandro De BenedettiAssociate at NorthzoneCarlos ContiManaging Partner at Inveready Technology Investment GroupPauline BréantFinance Manager at Newfund CapitalRoy ChngInvestment Manager - Finance at Emerald Technology Ventures AgMaxime BucaillePrincipal at Draper AssociatesAlexis HoussouFounder & Managing Partner at HCVC
+ 188 more
Colleagues at Circular Innovation Fund
Andrée-Lise Méthot
Founder and Managing Partner, Cycle Capital at Circular Innovation Fund
Benoit Foncier
Senior Partner at Circular Innovation Fund
Benoit Forcier
Senior Partner at Circular Innovation Fund
Catherine Bérubé
Partner at Circular Innovation Fund
Claude Vachet
Managing Partner, Cycle Capital at Circular Innovation Fund
Mathieu Goudot
Senior Partner at Circular Innovation Fund
Maya Hassa
Principal at Circular Innovation Fund
Sophie Paturle-Guesnerot
Co-founder and Managing Partner, Demeter at Circular Innovation Fund









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