J4.Ventures

J4.Ventures is a venture capital investment firm established in 2021 and located in New York, New York. The firm focuses on early-stage investments in technology and technology-enabled businesses, specifically targeting sectors such as information technology, financial technology, and education technology. Through its strategic investments, J4.Ventures aims to support innovative companies that are poised for growth in these dynamic industries.

Bruce Jaffe

General Partner

Erik Johnson

General Partner

Jamie Rapperport

General Partner

25 past transactions

Sonar

Pre Seed Round in 2025
Sonar is a healthcare company focusing on the proactive identification and intervention of mental health challenges in youth.

Scout

Seed Round in 2025
Scout is a financial planning company that offers financial education, wealth management, and tax preparation services for athletes.

Sound Health

Seed Round in 2024
Sound Health uses acoustic resonance to provide nasal relief. Its current product is an app that scans the face to map the bone structure and then a headband that plays music at personalized frequencies for 10 minutes. The headband is off the shelf and the sound levels are akin to wearing earpods. It envisions the headband to be over-the-counter (OTC) so it’s easily accessible to patients, whether prescribed by doctors or not.

Take2 AI

Seed Round in 2024
Take2 AI is an AI-powered job simulation platform for sales recruiting that helps companies generate tailor-made simulations of real-world sales scenarios that vet job applicants for skills, behavioral attributes and culture fit. Take2 AI enables companies to minimize their mis-hires and improve employee retention.

Scout - Make Money Moves

Convertible Note in 2024
Scout is an investing platform that enables individuals to construct investment portfolios tailored to their interests, whether it's eco-friendly brands, women-led companies, Bitcoin, or popular Gen Z stocks. With Scout, users have the freedom to select their preferred investment options, while we diligently manage the portfolio to ensure safety and risk management.

Spiffy AI

Seed Round in 2023
Spiffy AI specializes in advanced artificial intelligence solutions aimed at enhancing eCommerce performance. The company has developed a platform that employs Outcome-Oriented Models (OOMs), a novel type of AI that learns and adapts to user behavior. This technology enables Spiffy AI to provide hyper-personalized experiences that improve conversion rates, increase basket sizes, and foster customer loyalty. By focusing on understanding user preferences and delivering tailored shopping experiences, Spiffy AI aims to create intuitive and effective interactions for eCommerce brands.

Reset Financial Technologies

Pre Seed Round in 2023
Reset is an earned-wage access platform that offers employees financial wellness and increases employee retention across industries through mission-driven technology.

Upwardli

Seed Round in 2023
Upwardli is a technology-driven financial services agency focused on assisting individuals, particularly newcomers, immigrants, and young people with limited financial resources. The company offers personalized credit and savings solutions aimed at helping members make informed financial decisions. By leveraging its innovative platform, Upwardli guides users in selecting suitable banking options and credit cards, while also providing tools to build credit quickly and securely. The platform features tailored step-by-step instructions that facilitate access to essential financial services, empowering users to improve their financial literacy and overall economic well-being.

Savvly

Pre Seed Round in 2023
Savvly is a Colorado-based company providing financial security programs and retirement-oriented investment options to support long-term planning and retirement security for individuals.

Zelta

Pre Seed Round in 2022
Zelta is a company that develops an artificial intelligence-based decision and workflow platform aimed at enhancing collaboration for B2B SaaS product teams. By utilizing generative AI, Zelta helps teams prioritize their product roadmaps and make informed decisions based on insights derived from qualitative customer feedback sources, such as sales call transcripts, support tickets, and user surveys. Its browser extension facilitates real-time commenting and annotation on any web content, allowing users to synthesize insights from customer interactions effectively. Through these capabilities, Zelta empowers product teams to maximize the value of their decisions and address customer pain points with confidence.

Molten Industries

Seed Round in 2022
Molten Industries is a clean technology company focused on decarbonizing the hydrogen market. It has developed innovative technology that produces hydrogen in a cost-effective and environmentally friendly manner. By providing an emissions-free method of hydrogen generation, Molten Industries enables chemical and heavy industries to significantly reduce their carbon footprint. The company's commitment to sustainable practices positions it as a key player in the transition towards cleaner energy solutions.

LearnLux

Series A in 2022
LearnLux Inc. is a Boston-based company that specializes in a digital financial and benefits education platform aimed at millennials. Founded in 2014, LearnLux provides unbiased and customized financial education to help users navigate personal financial decisions and understand their financial needs and options. The platform combines digital lessons, interactive tools, and resources, offering users on-demand access to financial advisors. This approach not only empowers individuals to take control of their finances but also allows employers to offer financial wellness as a benefit to their workforce. Through its innovative services, LearnLux connects users with financial institutions while enabling them to earn credit towards new accounts.

UpLink

Venture Round in 2022
UpLink is a developer of a cloud-based platform specifically designed for document management in professional services firms. The platform enables these firms to securely request, monitor, and review documents from their clients while providing tools for tracking and approving submissions. UpLink employs advanced security measures and undergoes regular third-party security reviews to ensure robust data protection. By offering a streamlined solution for client management workflows, UpLink facilitates the secure handling of documents at scale, enhancing efficiency and compliance for its users.

Yoodli

Seed Round in 2022
Yoodli is an AI-enabled platform designed to enhance users' communication skills through real-time feedback. The platform allows individuals to practice public speaking by recording their video presentations and receiving constructive critiques on various aspects of their delivery, including word choice, eye contact, and gestures. By creating a pressure-free environment, Yoodli enables users to refine their communication abilities effectively, making it a valuable tool for personal and professional development.

Get Sonar

Pre Seed Round in 2022
Get Sonar is a safety and wellbeing monitoring software that facilitates proactive evidence-based interventions for students and staff. The company is based based in Sunnyvale, California.

Upwage

Convertible Note in 2022
Upwage is a job posting platform based in Wilmington, Delaware, designed to assist individuals earning low wages in finding better-paying employment opportunities. By incorporating hourly wage information directly into job listings, Upwage allows users to sort positions by salary, occupation, and title. The platform leverages big data and artificial intelligence to match job seekers with local employers who offer higher compensation for their current skill sets. Upwage aims to create significant economic impact by generating $1 trillion in new wealth for the 44% of Americans earning less than $16 per hour, thereby enhancing their financial stability and career prospects.

Atom

Equity Crowdfunding in 2022
Atom Limbs is focused on advancing the field of prosthetics with its innovative mind-controlled artificial arms, specifically designed for under-elbow amputees and individuals with quadriplegia. The company’s flagship product, the Atom Touch, allows users to regain mobility by interpreting brain signals through implanted electrodes, facilitating natural and intuitive movement of the prosthetic limb. This technology is rooted in research and development conducted at the Johns Hopkins University Applied Physics Laboratory and has received substantial funding from DARPA. Atom Limbs aims to enhance the quality of life for those with mobility challenges by providing advanced, customizable solutions for artificial limbs.

Nectar

Seed Round in 2022
Nectar is a finance company that offers liquidity to professional real estate investors with low leverage and cash-flowing assets.

Round

Seed Round in 2022
Round is a community platform that connects technology executives and senior leaders to foster professional growth and collaboration. Founded in 2020 and headquartered in Seattle, Washington, the platform is designed to accelerate the careers of its members by facilitating mentorship and knowledge sharing among high-impact teams in various functions, including product, engineering, marketing, and design. Through this collaborative environment, Round enables technology leaders to enhance their skills and amplify their influence within the industry.

Gooey.AI

Pre Seed Round in 2022
Gooey.AI is a developer of a social interactive platform that facilitates private, curated spaces for intimate chats and video conversations. The platform focuses on fostering authentic, face-to-face video-first communications, enabling organizations to establish networks for sharing videos and projects. By connecting changemakers and institutions, Gooey.AI supports the creation of collaborations across borders, enhancing creative exchanges. It is particularly geared toward facilitating innovative cultural and artistic connections through digital technology.

Sound Health

Seed Round in 2021
Sound Health uses acoustic resonance to provide nasal relief. Its current product is an app that scans the face to map the bone structure and then a headband that plays music at personalized frequencies for 10 minutes. The headband is off the shelf and the sound levels are akin to wearing earpods. It envisions the headband to be over-the-counter (OTC) so it’s easily accessible to patients, whether prescribed by doctors or not.

Ruby Money

Convertible Note in 2021
Ruby Money is a financial technology company that provides tools designed to support solitary entrepreneurs in achieving financial independence. The company focuses on automating essential back-office tasks, such as estimating and paying taxes, acquiring benefits, and saving for retirement. By streamlining these processes, Ruby Money allows business owners to concentrate on growth while effectively managing their financial responsibilities and minimizing tax burdens.

Learn To Win

Convertible Note in 2021
Learn To Win, Inc. is a Palo Alto, California-based company that specializes in providing training programs for aviators, athletes, and various sectors such as business and defense. The company operates a mobile-first microlearning platform that transforms traditional training materials into engaging, interactive experiences. This platform allows coaches, educators, and instructors to create and deliver lessons quickly, while also providing real-time analytics that help identify mental weaknesses and training gaps among team members. Through features like quizzes and rapid content creation, Learn To Win enables effective learning and ensures that all participants can access the training material, fostering a more informed and capable team.

HeyDaily

Convertible Note in 2021
HeyDaily enables influencers to have more direct engagement with their followers.

Zing

Venture Round in 2021
Zing is shaping the next generation of suburban commerce, by bringing the experience and convenience of a big city block to the suburbs - premium cafes, juice shops, dynamic retail and more. Leveraging a fully digital experience, big data and smart algorithms, Zing’s network of premium mobile cafes makes suburbia walkable, and provides novel ways for neighbors to connect - bringing the community together. Zing was founded in 2021 by serial entrepreneur Avishai Shoham and renowned chef patissier Tomer Zilkha, with the goal of adding magic to the suburban experience.
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