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Marble Creek Ventures

Venture capital

Pre-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.

Stage
Pre-Seed–Seed
Instruments
Equity
Tracked investments
13

Team · 7 people

from the firm's website & public directories
Austin· General Partner

General Partner at Marble Creek Ventures and a Vice President at Oaktree Capital.

Sagar· General Partner

General Partner at Marble Creek Ventures, serving as CFO/COO at Noteefy.

Sean· Technical Partner

Technical Partner at Marble Creek Ventures who is CTO at Nolla Health and formerly worked at Apple.

Sagar Segal· General Partnerin
Don Dao· Partnerin

Author of the firm's investment note on Minerva, associated with Marble Creek Ventures.

What they invest in

from 7 of 13 portfolio companies

AI & Machine Learning ×6Enterprise Software ×5SaaS ×4Deep Tech ×2Developer Tools ×2Healthtech ×2AdTech ×1Biotech ×1

HQs:United States×5France×1

Who they back

founder profiles across 6 portfolio companies
10%
repeat founders
of 10 founders with career history

What 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

Y Combinator ×4

Investments · 13 tracked

founders shown can be your intro path
Appstackappstack.techin𝕏

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 AIbland.aiin𝕏

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(Co-founder and CEO)in

Co-investorsAlumni VenturesAnsa CapitalCameron VenturesCoho DeeptechConvergeDell Technologies Capital+12 more

Minervaminerva.io
Mira Healthmirahealth.care
Nollahealthnollahealth.comin𝕏

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

Noteefynoteefy.app

Dathan Wong(Founder)inJake Gordon(Founder)in

Co-investorsPerot Jain

Primitive Labsprimitivelabs.ai
Proxisproxis.aiin𝕏Seed

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(Founder)in

Co-investorsPioneerY Combinator

Red Sky Healthredskyhealth.com
Sennu AIsennu.aiin𝕏Seed

Sennu AI develops AI systems designed to reshape business operations for traditional enterprises.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Sriman Gaddam(Founder)inSukhjit Singh(Founder)in

Co-investorsY Combinator468 Capital

Strand AIstrandai.comin𝕏Seed

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(cofounder ceo)inOded Falik(Founder)in

Co-investorsAkkaY CombinatorAndreessen HorowitzBain Capital VenturesTabula Rasa Ventures

TrainLooptrainloop.aiin𝕏Seed

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(Founder)inMason Pierce(Cofounder / CTO)in

Co-investorsMoonfire VenturesOlive Tree CapitalPioneerY Combinator

Zinq AIzinqlabs.ai

Portfolio news

latest coverage across their companies

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 23 tracked co-investors.

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