Pioneer Fund

Pioneer Fund is a San Francisco-based venture capital firm founded in 2017 that makes early-stage investments across a wide range of sectors, including consumer products and services, financial services, information technology, advanced manufacturing, blockchain, life sciences, gaming, artificial intelligence and machine learning, construction technology, education technology, fintech, agriculture technology, advertising technology, augmented reality, autonomous vehicles, legal technology, oncology, pet technology, real estate technology, ride-hailing, SaaS and supply chain technology. The firm benefits from a network of more than 420 Y Combinator alumni, enabling it to identify and support YC-backed startups.

Lior Abraham

Venture Partner

Wayne Anderson

Venture Partner

Jon Armstrong

Venture Partner

Tamara Bain

Venture Partner

Kate Bambino

Venture Partner

Past deals in Enterprise Software

Fazeshift

Seed Round in 2025
Fazeshift offers an AI-driven platform that automates invoicing, cash application, and collections for enterprises. This streamlines accounts receivable processes, reduces errors, and enhances cash flow management by adapting to unique business challenges with customizable workflows.

Unsloth

Seed Round in 2024
Unsloth is an AI startup dedicated to enhancing the accessibility of artificial intelligence for users across various sectors. The company has developed an open-source fine-tuning and training platform that significantly accelerates the process of customizing large language models (LLMs), making them 2.2 times faster and reducing VRAM usage by 62%. This all-in-one solution is designed to assist scientists and researchers in diverse fields, including skin cancer prediction, DNA sequencing, vaccine development, environmental conservation, and space research. By providing tools that enable the rapid creation of accurate custom models, Unsloth empowers users to analyze large datasets more effectively, thus facilitating advancements in critical areas of research and innovation.

Fazeshift

Pre Seed Round in 2024
Fazeshift offers an AI-driven platform that automates invoicing, cash application, and collections for enterprises. This streamlines accounts receivable processes, reduces errors, and enhances cash flow management by adapting to unique business challenges with customizable workflows.

Outerport

Pre Seed Round in 2024
Outerport specializes in streamlining document comprehension through advanced chain-of-memory reasoning technology. Its core product is a model registry platform, facilitating secure and efficient management and deployment of foundation model weights. This enables data scientists and engineers to swiftly load and handle models on existing cloud infrastructure or on-premise hardware, enhancing productivity.

Reworks

Pre Seed Round in 2024
Reworks is a Software Development firm that helps AI companies to work with external software for various programs.

OrgOrg

Pre Seed Round in 2024
OrgOrg provides internal SaaS tools for organizational productivity suite for the companies

Glasskube

Pre Seed Round in 2024
Glasskube develops a user-friendly package manager for Kubernetes, offering both GUI and CLI interfaces. Its packages are dependency-aware and GitOps ready, with automatic updates available through a central public repository.

Patchwork

Pre Seed Round in 2024
Patchwork is a technology company that specializes in providing AI-powered communication tools for businesses. Its unified communication platform is designed to streamline team and workforce management, enabling users to swiftly share meeting notes, updates, and other relevant information within groups. The platform aims to enhance productivity and efficiency by replacing traditional communication tools like Slack.

CircleBack

Venture Round in 2024
CircleBack, Inc. is a technology company based in Vienna, Virginia, focused on improving contact data accuracy for business consumers. Founded in 2008, the company develops mobile contact intelligence applications that streamline the management of address books across various devices. Its flagship product, CircleBack, uses a patented data engine to provide real-time updates on connections, such as job changes and new contact information, directly to users' mobile address books and customer relationship management systems. Additionally, CircleBack offers tools like ContactSaver, which converts email signatures into contacts for Gmail, and ScanBizCards, enabling users to digitize business cards. The Cleanup Suite helps refine contact lists by removing duplicates. CircleBack aims to enhance productivity by ensuring that professionals and businesses can maintain accurate and up-to-date connections.

Giga ML

Seed Round in 2023
Giga ML specializes in AI-driven customer service solutions for businesses. It offers AI agents that can be integrated into enterprise systems to handle customer inquiries and support tasks. Additionally, the company has developed an open AI API compatibility platform that allows users to fine-tune and deploy custom large language models, enabling them to leverage the advantages of tailored AI models.

Humand

Seed Round in 2023
Humand offers an all-in-one workplace platform that centralizes internal communication, HR processes, and company culture in a single app. It provides real-time messaging, digital employee files, performance reviews, and culture tools to help organizations engage employees, streamline operations, and build a connected, productive work environment. The solution digitizes communications and HR workflows and enables deskless workers to stay connected via targeted push notifications, improving information flow and belonging. Notable users include ArcelorMittal, Tenaris, NSG Group, Ogilvy, and Sodexo.

askLio AI

Seed Round in 2023
askLio AI is an artificial intelligence company that offers a procurement software run by AI for big enterprises.

JustPaid

Seed Round in 2023
JustPaid is a technology company based in Silicon Valley that offers a comprehensive platform for managing business payments and accounting. Its software automates the entire receivables lifecycle by organizing various types of contracts, including master service agreements and purchase orders, as well as emails and modifications. This centralized system allows organizations, regardless of size, to enhance cash flow management, streamline contract tracking, and facilitate payments, all with integrated blockchain technology. By simplifying and automating these financial processes, JustPaid enables businesses to save time and improve efficiency in their accounting tasks.

Dialect

Seed Round in 2023
Dialect is a platform that provides assistance to the enterprise data warehouse. Questa runs business teams with query, visualization, and action of data with natural language. Questa was founded in 2022 and was headquartered in Palo Alto, California.

Canary Technologies

Series B in 2022
Canary Technologies is a hospitality technology company that modernizes hotel operations. It offers a guest management platform featuring contactless check-in, digital authorizations, and an amenity store. The platform drives revenue growth, improves staff productivity, ensures compliance, and reduces fraud.

Peoplebox.ai

Venture Round in 2022
Peoplebox.ai is an AI-powered platform designed to enhance employee engagement and performance management. The software provides automated engagement surveys, anonymous communication channels for employee feedback, and deep engagement insights to assist HR professionals. It enables managers to foster high-performing teams by facilitating continuous feedback and structured one-on-one interactions. A key feature of the platform is Nova, an AI coach that helps managers translate employee feedback into actionable steps through intelligent prioritization and bite-sized learning modules. By focusing on building strong human connections and ensuring employee retention, Peoplebox.ai aims to empower organizations to create engaged and productive remote teams. The company, formed by founders with backgrounds from Y Combinator and IIT, operates from offices in San Francisco and Bangalore.

Sphere

Seed Round in 2022
Sphere helps US software companies manage their global sales tax / VAT / GST compliance requirements. Our platform helps with everything from nexus monitoring, registration, calculation and filing/remittance. Companies like Runway AI, Weaviate and Zeplin choose our platform because we’re the only product that offers true global coverage, is easy to implement and reasonably priced. - We're growing rapidly (20%+ MoM revenue growth) and have signed customers like Runway AI, Sierra AI, Codeium + many more - We're building the world's first tax-focused LLMs (which we believe will be the foundation for a broader cross border compliance platform; think Deel for international billing) - We're well funded by Felicis Ventures and the founders of Flexport, Lyft, Betterup, Go1 and Xendit

Medplum

Seed Round in 2022
Medplum offers an open-source developer platform designed to simplify healthcare application development. It focuses on streamlining workflow automation, secure data storage, and providing UI components tailored for healthcare.

TrueBiz

Seed Round in 2022
TrueBiz provides a platform that helps financial services providers onboard business customers more quickly by automating business identification and document processing. The solution combines processing of corporate documents with signals about the business, enabling financial institutions to reduce verification delays, lower churn, and scale onboarding while cutting manual work.

Epsilon3

Seed Round in 2022
Epsilon3 develops software for spacecraft operations, aiming to modernize space missions by providing an industry-standard platform for operational procedures and complex engineering tasks. The platform supports interactive, real-time synchronized procedures across multiple programs and missions and includes analytics, reports, and dashboards for visibility and decision making. It serves satellite operators, space manufacturers, and integrators, helping them save time and money and improve lifecycle efficiency from planning through execution and validation.

Enable Us

Seed Round in 2021
Enable.us provides a unified platform for B2B sales, marketing, and customer-facing teams. It enables personalized interactions by organizing and contextualizing content such as product demos, references, sales decks, whitepapers, contracts, and onboarding materials. The platform uses AI to target content, streamline workflows, and facilitate communication with prospects and stakeholders.

Zen

Seed Round in 2021
Zen operates a digital ergonomic platform designed to enhance corporate ergonomic programs. The company focuses on providing ergonomic education and resources to employees, promoting healthy posture and productivity at work. Its offerings include real-time posture correction tools, exercise programs for back and joint care, and various ergonomic-related information. By empowering individuals to maintain better ergonomics, Zen aims to contribute to overall employee well-being and effectiveness in the workplace.

Govly

Pre Seed Round in 2021
Govly is a software platform that connects businesses with government contracting opportunities. It aggregates real-time, non-public contract feeds, allowing companies to monitor, curate, and analyze federal procurement data. Govly streamlines the bidding process from discovery to award, empowering businesses to focus on high-potential opportunities.

Canary Technologies

Seed Round in 2021
Canary Technologies is a hospitality technology company that modernizes hotel operations. It offers a guest management platform featuring contactless check-in, digital authorizations, and an amenity store. The platform drives revenue growth, improves staff productivity, ensures compliance, and reduces fraud.

Canary Technologies

Seed Round in 2019
Canary Technologies is a hospitality technology company that modernizes hotel operations. It offers a guest management platform featuring contactless check-in, digital authorizations, and an amenity store. The platform drives revenue growth, improves staff productivity, ensures compliance, and reduces fraud.

Whispli

Seed Round in 2018
Whispli is a secure whistleblowing management platform that allows employees to anonymously report violations of company conduct. The platform facilitates the confidential communication of issues such as fraud, harassment, discrimination, and unethical behavior through various channels, including live chat, SMS, and email. By enabling over five million employees to voice their concerns, Whispli assists organizations in identifying and addressing internal issues before they escalate and potentially damage the company's reputation and financial standing. Furthermore, Whispli fosters a culture of open feedback, which is essential for enhancing employee engagement and retention. Through its services, the company helps organizations uncover blind spots, promote accountability, and reinforce ethical practices.

Shelf Engine

Seed Round in 2018
Shelf Engine is a Seattle-based company founded in 2015 that specializes in an automated prediction platform aimed at minimizing food waste in the grocery sector. By employing machine learning and analyzing historical data, the platform accurately forecasts demand for perishable goods, allowing grocery stores to optimize their ordering processes. This innovative approach not only helps retailers avoid out-of-stock situations but also significantly reduces food and beverage waste. Shelf Engine manages the entire ordering process, including vendor management and shelf optimization, which enhances profit margins for grocery stores. The company operates with a unique buy-back model for unsold items, thereby mitigating financial risk for retailers. With a workforce of over 145 employees, Shelf Engine serves leading grocers across thousands of locations in the United States.

Canary Technologies

Seed Round in 2018
Canary Technologies is a hospitality technology company that modernizes hotel operations. It offers a guest management platform featuring contactless check-in, digital authorizations, and an amenity store. The platform drives revenue growth, improves staff productivity, ensures compliance, and reduces fraud.
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