J4 Ventures
Venture capitalNew York · Pre-Seed–Series A · 6 people tracked
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.
Team · 6 people
from the firm's website & public directories
What they invest in
from 23 of 30 portfolio companiesAI & Machine Learning ×14Fintech ×8SaaS ×7HR Tech ×4Enterprise Software ×3Healthtech ×3InsurTech ×3Cleantech ×2
HQs:United States×12Mexico×1
Investments · 30 tracked
founders shown can be your intro pathAtom develops AI-powered artificial limbs, starting with a prosthetic called Atom Touch, aimed at restoring physical ability for people who have lost limbs.
AI & Machine LearningHealthtechMedical Devices
Bulwark is a personal insurance agency for high-net-worth individuals, offering coverage for home, auto, aviation, marine, and other assets.
FintechInsurTech
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
Alex Blumberg(CEO)Bob Currie(CTO)Amit Singh(CFO)Jackson Lehr(COO)McGowan Southworth(President & EIO)
Ethosphere builds technology aimed at personalizing and improving human connection.
AI & Machine LearningSeattle, US
Giant creates personalized, interactive digital stories for children that adapt to their names, voices, and interests.
ConsumerEdTechMedia & Entertainment
John Kobs(CEO & Founder)
Gooey.AI is a low-code, model-agnostic AI orchestration platform for building, deploying, and scaling multilingual AI workflows and agents across channels like WhatsApp, Slack, IVR, and the web.
AI & Machine LearningDeveloper ToolsImpact & Social Good
Auditory intelligence technology enabling real-time sound processing and enhancement in challenging environments
In the Loop AI (ITL) builds software for thrift and resale operations that uses AI to automate item pricing, product listing, and image editing while providing pricing and production dashboards.
AI & Machine LearningRetail TechSaaS
Journey Health provides community-based care services including social care planning, transitional care from hospital to home, and health navigation to help patients move through the healthcare system.
Digital HealthHealthtech
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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)Michael Liebman(Vice President, Treasurer and Assistant Secretary)
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
Scout provides financial advisory and wealth management services for college athletes, particularly those benefiting from NIL (Name, Image, Likeness) opportunities.
Fintech
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
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)Greg Call(Co-Founder and COO)Santiago Leon(Product Manager and Founding Member)Nate Babbel(CTO and Founding Member)Elliot Manson(Head of Marketing and Founding Member)
BoardTanya Beja(Director)
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)William Finney(Director)
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
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)
BoardPatrick Ennis(Director)Neeraj Hablani(Director)
Portfolio news
latest coverage across their companiesLearnlux · fortuneindia.com · Jul 17, 2026
Giant · techtimes.com · Jul 13, 2026
Nectar · demandgenreport.com · Jun 2, 2026
Upwage · trysignalbase.com · Mar 23, 2026
YOODLI · techcrunch.com · Dec 5, 2025
Upward Financial · trysignalbase.com · Nov 7, 2025
Frequently asked questions
- 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.
Images
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