Rebel Fund

Rebel Fund, established in 2019 and headquartered in San Francisco, California, is a venture capital firm specializing in seed-stage investments. It focuses on technology startups, primarily in the United States, with a particular interest in education, training services, information technology, and healthcare sectors. The firm leverages a network of Y Combinator alumni and a proprietary machine learning algorithm to predict startup success and inform investment decisions.

John Adler III

Partner

Jared Heyman

Managing Partner

Steve Huffman

Partner

Daniel Kan

Partner

Richard Sussman

Co-Founder and Strategic Partner

Past deals in Sales Automation

Vantel

Seed Round in 2025
Vantel is a software company specializing in AI-driven solutions for commercial insurance brokers. Its core product is an AI-based platform that automates policy analysis and contract review, streamlining time-consuming tasks like data entry, documentation, billing, and administration. This enables brokers to enhance productivity and provide improved client service.

Openmart

Seed Round in 2024
Openmart is an innovative company that operates an artificial intelligence-powered search engine aimed at assisting startups in identifying potential customers. By collecting business-to-business data from both public and private sources, Openmart enables companies to streamline their operations. Its AI agent automates critical tasks such as retailer follow-up check-ins and timely product reminders, fostering strong, ongoing relationships with retail partners. This approach allows business-to-business firms to concentrate on their core activities and prioritize revenue generation, ultimately enhancing their operational efficiency and market presence.

AiSDR

Seed Round in 2023
AiSDR is a company that specializes in sales automation through the use of artificial intelligence technology. It offers a platform that streamlines the sales process by automatically qualifying inbound leads and categorizing prospects. The platform enables businesses to create and manage personalized email campaigns, effectively engaging potential clients and facilitating communication. By automating the scheduling of meetings and enhancing outreach efforts, AiSDR helps startups increase their sales while simultaneously reducing operational costs. The company's solutions are designed to enhance the efficiency of sales teams, ultimately driving growth by expanding their pipeline with qualified leads.

Hyperbound

Seed Round in 2023
Hyperbound is a technology company that specializes in AI-driven sales enablement. Its primary product is a simulated AI Sales Roleplay platform, which transforms Ideal Customer Profile (ICP) descriptions into interactive AI buyers within two minutes. This platform helps sales teams accelerate onboarding by 50% and enhances conversion rates across cold, warm, and discovery calls. Unlike traditional roleplay methods, Hyperbound's solution provides realistic, unbiased practice scenarios without risking pipeline leads or consuming managerial time. The company also offers an AI-based sales email software that leverages public internet data sources to generate personalized emails at scale, maintaining brand reputation and identity.

Yuma AI

Seed Round in 2023
Yuma AI is a customer support automation company using generative AI to streamline and automate support services. The platform enhances agent productivity while significantly reducing costs for Shopify merchants by providing automated AI customer service.

Crew.work

Seed Round in 2023
Crew.work is an all-in-one recruiting CRM that lets teams automate their outbound efforts, streamline the hiring processes, and gather all the data in one place. Instead of waiting for candidates to apply, companies use Crew to pro-actively contact, nurture & close talent, at scale.

Alephee

Seed Round in 2022
Aleph is a company that provides a cloud-based platform designed to streamline e-commerce operations for brands, particularly in the Aftermarket Automotive industry. By enabling brands to connect with resellers, Aleph offers a centralized solution that standardizes distributor catalogs and facilitates inventory sharing across multiple online marketplaces, including Mercado Libre, Amazon, and Shopee. This integration allows companies to optimize logistics costs, enhance visibility into their online sales, and improve market share. The platform automates the supply process and ensures that stock levels and pricing are updated in real-time, thereby supporting businesses in maximizing revenue through efficient e-commerce practices.

Unified National

Seed Round in 2022
Helping clients win & agents thrive

Enable Us

Seed Round in 2021
Enable Us is a software development company that provides a comprehensive platform designed for B2B sales, marketing, and customer-facing teams. The company's solution offers an interactive workspace where teams can capture and organize essential materials such as product demos, customer references, sales decks, and onboarding documents. By contextualizing this content based on industry, buyer persona, deal stage, and size, Enable Us facilitates a personalized buying and onboarding experience for prospective customers. The platform also enables users to create tailored deal rooms that feature AI-targeted content, streamline workflows, and allow for direct communication with potential clients and relevant stakeholders. This approach enhances the efficiency of client engagement and supports businesses in driving revenue growth.

GroMo

Funding Round in 2021
GroMo is a fintech marketplace that empowers individuals in India to become micro-entrepreneurs by selling a variety of financial products, including insurance policies, credit cards, savings accounts, and loans. The platform allows users to partner with banks and non-banking financial companies (NBFCs) to distribute these products, enabling them to earn substantial income with no initial investment. GroMo provides a user-friendly mobile app that facilitates sales from anywhere, offering features such as instant payouts, training and certification programs, customer management tools, and robust customer support. With over 1.4 million partners, GroMo aims to financially empower its users, allowing them to earn over INR 1 lakh monthly by leveraging the app's capabilities. This innovative platform not only simplifies the sales process but also fosters a community of individuals who can enhance their financial knowledge and grow their businesses through referrals and personalized engagement.

Arist

Seed Round in 2020
Arist is a company that offers a remote learning platform specifically designed to deliver bite-size courses via text messages and social media channels such as SMS, Slack, and MS Teams. This approach caters particularly to frontline employees who may lack access to traditional learning management systems. Arist enables enterprise learning and development (L&D) and human resources (HR) teams to rapidly create, deliver, and analyze these courses on various topics, including diversity and inclusion, compliance, sales enablement, and safety training. By facilitating efficient training, Arist helps organizations save over $200 per employee annually while achieving high adoption rates and clear outcomes in behavior change and performance improvement, with a notable Net Promoter Score exceeding 90.
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