Fundraising FoxMarble Creek Ventures
Venture capitalPre-Seed–Seed · 7 people tracked
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Investment thesis
Marble Creek Ventures takes a thoughtful, concentrated approach to seed investing, believing outsized returns come from careful diligence, meaningful relationships, and highly selective bets. Rather than spreading capital across dozens of companies, the firm invests in a small handful where it can make a meaningful difference, dedicating its time, network, and expertise to each founder. The partners describe themselves as operators first and investors second, each maintaining active careers across engineering, consulting, startup finance, and real estate. Founders work directly with the partners who made the investment decision, who get involved when and where needed. The portfolio spans AI/ML operations, enterprise software, digital health, and more.
Source: firm website, verified Oct 2, 2026.
Team · 7 people
from the firm's website & public directoriesWhat they invest in
from 12 of 13 portfolio companiesAI & Machine Learning ×11Enterprise Software ×6Healthtech ×4SaaS ×4Data & Infrastructure ×3Developer Tools ×3Digital Health ×3Deep Tech ×2
HQs:United States×6France×1
Who they back
founder profiles across 6 portfolio companiesWhat their founders studiedfrom 10 founders with field-of-study data
Computer Science ×4Engineering ×3
Where their founders worked beforefrom 10 founders with career history
Baylor College of Medicine ×2Brex ×2Enable Medicine ×2Microsoft ×2
Accelerator rootsportfolio companies that came through a program
Investments · 13 tracked
founders shown can be your intro path
Appstack provides mobile attribution and signal engineering for app marketers running paid user acquisition campaigns.
AdTechDeveloper ToolsEnterprise SoftwareSaaSParis, FR
Lucas Moscon(CEO)inTom Darmon(CTO)in
Co-investorsEntrepreneur FirstTranspose Platform Management
Bland is an enterprise voice AI platform for building, running, and monitoring AI phone agents that handle inbound and outbound calls, replacing IVRs and staffing AI call centers.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSSan Francisco, US
Sobhan Nejad(Founder)inIsaiah Granet(Founder)inIsaiah Granet Sobhan Nejad(Founder)Noah Kravitz(CBO)Mahmoud Serewel(Head of special projects)
Co-investorsAlumni VenturesAnsa CapitalBVP InvestorsCameron VenturesCoho DeeptechConverge+13 more
Minerva offers a CCPA-compliant, through-time B2B2C dataset together with an agentic data engineer that unifies attribute data with a company's own customer interaction data to build a unified view of each consumer.
AI & Machine LearningData & InfrastructureMarketing Tech
Mira Health offers an AI phone concierge that answers patient calls around the clock, identifies the reason for each call, and routes patients to the right provider within a medical practice.
AI & Machine LearningDigital HealthHealthtech
Nolla is developing a technology-driven, doctor-guided care system that helps users understand their health situation and decide what to do next.
AI & Machine LearningDigital HealthHealthtech
Luis R Soenksen(Founder)inLuis Wenus(CEO)inSean Geiger(CTO)in
Co-investorsSNÖ VenturesGeneral Catalyst
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Primitive Labs builds software focused on modeling human behavior as a core element of software development, with a product called Instinct.
AI & Machine LearningDeveloper ToolsSan Francisco, US
Proxis automates internal operations for enterprises by implementing AI across organizations, including onboarding non-technical employees onto AI tools, managing Claude Skills, and building private AI agents connected to a company's system of record with employee-level permissions.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Liam Collins(CEO)inJackson Stokesin
Co-investorsPioneerY Combinator
Red Sky Health offers an AI platform that automatically identifies, corrects, and resubmits denied health insurance claims to recover revenue for healthcare providers.
AI & Machine LearningDigital HealthHealthtech
Co-investorsDTA Capital Advisors, LLC
Sennu AI develops AI systems designed to reshape business operations for traditional enterprises.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Sriman Gaddam(CTO)inSukhjit Singh(CEO)in
Co-investorsY Combinator468 Capital
Strand AI predicts missing biological data modalities from existing patient data, converting single histopathology slides into spatial protein maps and inferring gene expression from genotype.
AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesSan Francisco, US
Yue Dai(CEO)inOded Falik(CTO)in
Co-investorsAkkaY CombinatorAndreessen HorowitzBain Capital VenturesTabula Rasa Ventures
TrainLoop is a post-training research lab that trains specialized AI models for enterprise customers in pharma, biotech, logistics, and banking.
AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US
Jackson Stokes(CEO)inMason Pierce(CTO)in
Co-investorsMoonfire VenturesOlive Tree CapitalPioneerY Combinator
Zinq builds a governed data layer and ontology for firms, then deploys AI agents and automations on top of it so outputs stay consistent and traceable to source.
AI & Machine LearningData & InfrastructureEnterprise Software
Portfolio news
latest coverage across their companiesBland AI · bland.ai · Jun 16, 2026
Strand AI · ycombinator.com · Feb 25, 2026
Sennu AI · ycombinator.com · Dec 15, 2025
Proxis · ycombinator.com · Nov 7, 2025
Frequently asked questions
- How many investments has Marble Creek Ventures made?
- Marble Creek Ventures has 13 tracked investments.
- What stage does Marble Creek Ventures invest at?
- Marble Creek Ventures invests at the Pre-Seed, Seed stages.
- What sectors does Marble Creek Ventures focus on?
- Marble Creek Ventures focuses on AI & Machine Learning, Developer Tools, Digital Health, Enterprise Software, Healthtech, PropTech, SaaS.
- Who does Marble Creek Ventures co-invest with?
- Marble Creek Ventures most often shares deals with Y Combinator, Pioneer, Emergence Capital Partners, among 25 tracked co-investors.
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