Fundraising Fox

J4 Ventures

Venture capital

New York · Pre-Seed–Series A · 6 people tracked

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Investment thesis

J4 Ventures focuses on early-stage investment opportunities, seeking exceptional entrepreneurs addressing large markets that are technology-based or technology-enabled. The firm emphasizes decades of venture experience and a single, unified team approach.

Source: firm website, verified Aug 3, 2026.

Stage
Pre-Seed–Series A
HQ
New York, New York, US
Leads rounds
Follows
Instruments
Equity
Founded
2021
Last 12 months
3 investments
Tracked investments
32

Team · 6 people

from the firm's website & public directories

What they invest in

from 30 of 32 portfolio companies

AI & Machine Learning ×17SaaS ×12Fintech ×8HR Tech ×7Healthtech ×5EdTech ×4Consumer ×3Digital Health ×3

HQs:United States×20Germany×1Mexico×1

Who they back

founder profiles across 18 portfolio companies
39%
solo founders
7 of 18 mapped founding teams
81%
repeat founders
of 16 founders with career history

Founding team size:solo founder×72 founders×63 founders×44+ founders×1

Where their founders studiedfrom 17 founders with education data

Stanford University Graduate School of Business ×3The University of North Carolina at Chapel Hill ×2

Where their founders worked beforefrom 16 founders with career history

Stanford University ×3Apple ×2Goldman Sachs ×2McKinsey & Company ×2

Accelerator rootsportfolio companies that came through a program

Techstars ×5

Investments · 32 tracked

founders shown can be your intro path

By year:2026 · 12025 · 32023 · 15 dated

Apprentaapprenta.co

Apprenta provides software to manage academic investment and scholarship programs, coordinating students, faculty/academic partners, and internal hiring stakeholders through automated workflows and a personalized student portal.

EdTechHR TechSaaS

Amanda Bakerlee(Founder)inJacob Cohen(Founder)in

Co-investorsThe MBA Fund

Atom Limbsatomlimbs.comin

Atom develops artificial limbs using AI and neural interfaces to restore physical ability for people with limb loss.

AI & Machine LearningHealthtechMedical DevicesRobotics

Co-investorsAntigravity Capital

Bulwarkbulwark.ai

Bulwark is an independent insurance agency that uses technology and licensed advisors to serve high-net-worth individuals and families.

FintechInsurTechSaaS

Brewster Stanislaw(Chief Executive Officer)Ned Sander(President)

Curegetcure.appinMay 2026

CURE operates a booking platform that connects pharmacies with delivery service partners to generate online orders.

B2B MarketplacesHealthtechSaaSBerlin, DE

Manuel Aberle(Founder)

Co-investorsAbstract VenturesArtis VenturesJ12 VenturesAccompliceCatalyst Health VenturesCosmic Venture Partners+15 more

DaisyChain Energydaisychain.energy

DaisyChain Energy offers an AI-enabled software platform for managing electric load, including monitoring usage, optimizing load profiles, controlling devices like batteries and EV chargers, and handling electrification, decarbonization, and compliance.

AI & Machine LearningCleantechEnergyBrooklyn, US

Robert Currie(Executive Officer, Director)Alex Blumberg(CEO)Bob Currie(CTO)Amit Singh(CFO)Jackson Lehr(COO)McGowan Southworth(President & EIO)

Co-investorsCity LightFlybridge Capital Partners

Enviveenvive.aiin

Envive provides an AI intelligence layer for eCommerce brands, offering an "Adaptive Storefront" sales agent that converts shopper questions into personalized recommendations across on-site, email, SMS, landing pages, and product pages.

AI & Machine LearningE-commerceRetail TechSan Francisco, US

Aniket Deosthali(Co-Founder)Sameer Singh(Co-Founder)Iz Beltagy(Co-Founder)Matthew Peters(Co-Founder)Aniket D(Founder)

Co-investorsAllen Institute for AI (AI2) IncubatorAscend Venture CapitalFUSEPoint72 VenturesAI2 Incubator

Ethosethossystems.comin𝕏

Ethos Systems provides an AI-driven training platform that delivers personalized, role-specific learning content and ties training to performance data for readiness measurement.

AI & Machine LearningDefense TechEdTech

Andrew Powell(Founder)inSasha Seymore(Founder)in

Co-investorsDorm RoomMountain Group CapitalMVP VenturesNorwest Venture PartnersTech Square VenturesCubit Capital

Ethosphereethosphere.aiinSep 2025 · $2.5M

Ethosphere is a privacy-first platform that records and analyzes in-person, customer-facing conversations on the retail sales floor to generate coaching feedback for associates, action steps for managers, and fleet-wide performance insights for brands.

AI & Machine LearningHR TechRetail TechSeattle, US

Co-investorsAllen Institute for AI (AI2) IncubatorPoint72 VenturesAI2 IncubatorHike Ventures

Giantgiant.org

Giant creates personalized, interactive digital stories for children that adapt to their names, voices, and interests.

ConsumerEdTechMedia & Entertainment

John Kobs(CEO & Founder)

Co-investorsDecasonicLightShed VenturesPerceptive Ventures Management Company, LlcWestern Technology Investment

Gooey.ai founders Sean Blagsvedt, Archna Prasadgooey.aiin

Gooey.AI provides an AI agent builder platform that enables users to create and deploy conversational agents with support for multiple large language models, speech recognition, and knowledge base integration.

AI & Machine LearningDeveloper ToolsImpact & Social GoodSaaS

Hearvanahearvana.aiNov 2025

Hearvana is developing acoustic intelligence technology aimed at enhancing listening capabilities for both humans and machines.

AI & Machine LearningDeep TechHardware

Shyam Gollakota(Founder)Malek Itani(Founder)inTuochao Chen(Founder)

Co-investorsAllen Institute for AI (AI2) IncubatorAscend Venture CapitalPoint72 VenturesSCB 10XAI2 IncubatorAmazon Alexa Fund+5 more

In The Loopintheloopai.com

Thrift Production System is software that uses AI to automate pricing, grading, and product listing for thrift stores and resale businesses.

AI & Machine LearningRetail TechSaaS

Journey Meditationjourneyhealth.io

Journey Health is a healthcare company that delivers digital health services and support for vulnerable patients and underserved communities.

Digital HealthHealthtechOakland, US

Learnluxlearnlux.comin

LearnLux provides personalized financial guidance to employees through employers, covering budgeting, debt management, benefits navigation, and long-term planning delivered by credentialed financial planners on a fiduciary basis.

FintechHR TechSaaSWellness & FitnessBoston, US

Rebecca Liebman(Chief Executive Officer)inMichael Liebman(Vice President, Treasurer and Assistant Secretary)

Co-investorsCrosslink CapitalDorm RoomEntrepreneurs Roundtable Accelerator (ERA)Moai CapitalUnderscore VCBlumberg Capital+3 more

Molten Industriesmoltenindustries.comin𝕏

Molten Industries develops chemical reactor technology that splits natural gas into hydrogen and graphite using electrical resistive heating for battery anode production and industrial hydrogen supply.

Advanced ManufacturingCleantechEnergyNew MaterialsWest Oakland, US

KevininCaleb Boyd(Cofounder)in

Co-investorsBreakthrough Energy VenturesFifty YearsMoai CapitalSozo VenturesUnion Square Ventures (USV)UVC Partners

Nectarusenectar.comin𝕏

Nectar offers investment opportunities in mezzanine debt and preferred equity issued by real estate operators managing low-leverage, cash-flowing properties.

AI & Machine LearningFintechPropTechAtlanta, US

Derrick Barker(Founder)in

Co-investorsMoai CapitalRareBreed VenturesTechstarsGV (Google Ventures)MenloMenlo Ventures+1 more

Propiojoinpropio.comin𝕏

Propio provides an AI-powered accounting and tax platform designed for accounting firms to automate bookkeeping, tax planning, and advisory services.

AI & Machine LearningFintechHR TechImpact & Social GoodInsurTechSaaSWashington, US

Co-investorsTechstars

Refercardinalrefer.comin

Palo Alto, US

Andre Hamra(Founder)Davi Reis Vieira de Souza(Founder)Felipe Aued(Founder)

Co-investorsNorte Ventures

Resetgetreset.co

Menlo Park, US

Wes Rodriguez(Founder)

Saviosavio.mxin

Savio is a collections and invoicing platform that lets businesses issue CFDI 4.0 invoices, generate payment links, send automated payment reminders, and reconcile bank accounts with AI.

AI & Machine LearningFintechSaaS

Savvlysavvly.comin

Savvly offers an SEC-registered investment vehicle designed for extended retirement spans, providing scheduled cash payouts at ages 80, 85, 90, and 95 through a pooled S&P 500 index fund with longevity-focused reallocation.

FintechInsurTechLongevityBoulder, US

Dario Fusato(Founder)in

Co-investorsMoai CapitalTechstars

Scoutscoutftw.com

Scout provides financial advisory and wealth management services for college athletes, particularly those benefiting from NIL (Name, Image, Likeness) opportunities.

Fintech

Michael Haddix Jr(Founder)in

Co-investors125 VenturesAusum VenturesMoai CapitalOUTBOUND CAPITALSymphonic CapitalChingona Ventures+1 more

Sonarsonar.appin𝕏acquired by Aave

ConsumerCrypto & Web3GamingSocialSan Francisco, US

Benjamin South Lee(Co-founder, CEO (Acq. by Avara Labs))inLeo Cho(Cofounder)inRandolph Lee(Founder)in

Co-investorsY CombinatorGSR VenturesNina Capital

Sonarsonarmentalhealth.cominFeb 2025 · $9.5M

Sonar builds technology for early identification of and intervention in youth mental health challenges, aiming to help students build support networks for preventative mental healthcare.

Digital HealthHealthtechMental Health

Drew Barvir(Founder)inGabriel MoynihanGabe

Co-investors500 GlobalInformed Ventures Advisors, LlcMaccabee VenturesNina CapitalThe MBA FundGSR Ventures

SoundHealthsoundhealth.lifein𝕏

SoundHealth develops FDA 510(k) cleared, drug-free medical devices that use acoustic resonance therapy via forehead bone conduction to treat nasal congestion and improve sleep.

AI & Machine LearningDigital HealthMedical Devices

Co-investorsG Vision CapitalMoai CapitalTau VenturesShangBay Capital LLC

Take2.aitake2.aiin

Take2 provides AI agents to automate screening and initial interviews for healthcare organizations, reducing recruiter workload and accelerating hiring timelines for clinical and non-clinical roles.

AI & Machine LearningHealthtechHR TechNew York City, US

Co-investorsHoneystone VenturesMoai CapitalSamvid VenturesSemperVirens Venture CapitalTechstars

Tandemtandem.spacein

Tandem is an online platform for finding and leasing office space, aggregating listings across landlords, brokers, and off-market opportunities into one place.

MarketplacesPropTechSaaSSan Francisco, US

Ben Lowenstein(Founder)Christophe Barre(Founder)in

Co-investorsThe MBA FundAccelGeneral CatalystThrive Capital

Tough Daytough.dayin

Tuffy is an AI-based workplace assistant that gives employees on-demand, confidential guidance to navigate change, workplace challenges, and interpersonal dynamics, built on curated management, HR, and employment law content and tailored to each organization's policies and culture.

AI & Machine LearningFuture of WorkHR TechNew York City, US

Katherine von Jan(Founder)

Co-investorsRed Bear VenturesFullCircle

Upwageupwage.comJun 2023

Upwage builds an AI-powered job marketplace that uses AI interviewing agents to reduce bias and increase fairness in hiring for jobseekers, employers, and workers displaced by AI.

AI & Machine LearningEnterprise SoftwareFuture of WorkHR TechPowell, US

Diana Tsai(Co-Founder and CEO)inGreg Call(Co-Founder and COO)inSantiago Leon(Product Manager and Founding Member)Nate Babbel(CTO and Founding Member)Elliot Manson(Head of Marketing and Founding Member)

BoardTanya Beja(Director)in

Co-investorsAlleyCorpCore Venture CapitalMoai CapitalAlley Robotics VenturesBBG VenturesBloomberg Beta

Upward Financialupwardli.comin𝕏

Upward provides software infrastructure for companies to launch credit products that increase credit visibility for consumers, helping lenders achieve higher approval rates while offering consumers access to lower interest rates.

FintechSaaSSeattle, US

Aaron Gregory(Executive Officer, Director, Promoter)Danielle Hill(Executive Officer, Director)

BoardCatherine Williams(Director)inWilliam Finney(Director)

Co-investorsAltari VenturesBreakwater VenturesDundee Venture CapitalLong Way VenturesMoai CapitalTechstars+3 more

Wordwarewordware.aiin𝕏

Wordware is an AI context lab that has developed Sauna, an intelligent workspace assistant designed to learn user preferences, detect patterns, and automate routine tasks to enhance deep work productivity.

AI & Machine LearningConsumerData & InfrastructureDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSSan Francisco, US

Filip Kozera(Founder)inRobert Chandler(Founder)in

Co-investorsBalnord Sp. z o.o.Day One VenturesFelicis VenturesFirestreak VenturesY CombinatorSpark Capital

YOODLIyoodli.aiin𝕏

Yoodli is an AI-powered platform that provides interactive roleplay scenarios to help users improve their communication skills and public speaking confidence.

AI & Machine LearningEdTechSaaSSales TechSeattle, US

Varun Puri(CEO, Co-founder)Esha J.(Chief Customer Officer, Co-founder)Esha Joshi(Executive Officer, Director)in

BoardPatrick Ennis(Director)inNeeraj Hablani(Director)in

Co-investorsNotable CapitalAllen Institute for AI (AI2) IncubatorAllen Institute for Artificial Intelligence Incubator (AI2)Ascend Venture CapitalMadrona Venture GroupNeotribe Ventures+1 more

Exits · 1

IPOs and acquisitions across the tracked portfolio

Sonaracq. by Aave

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has J4 Ventures made?
J4 Ventures has 30 tracked investments, including 2 dated in the last 24 months.
What stage does J4 Ventures invest at?
J4 Ventures invests at the Pre-Seed, Seed, Series A stages.
What sectors does J4 Ventures focus on?
J4 Ventures focuses on AI & Machine Learning, Cleantech, Energy, Fintech, Healthtech, New Materials, SaaS, Sector Agnostic.
Where is J4 Ventures located?
J4 Ventures is headquartered in New York, US.
Does J4 Ventures lead rounds?
J4 Ventures typically participates in rounds rather than leading them.
Who does J4 Ventures co-invest with?
J4 Ventures most often shares deals with Moai Capital, Techstars, Allen Institute for AI (AI2) Incubator, among 57 tracked co-investors.

Images

J4 Ventures photo

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