LanceDB builds the data backbone for multimodal AI. Its open-source Lance columnar format and lakehouse let teams store, search, and train on text, images, video and embeddings in one system - replacing the brittle stack of Parquet files, vector stores and feature pipelines that AI teams usually stitch together. Used by Midjourney, Runway, Character.AI, WeRide and others, LanceDB raised a $30M Series A in 2025, bringing total funding to roughly $41M.
Paul Singer is the cofounder and CEO of FleetWorks, a San Francisco startup building always-on voice AI agents that handle the phone-and-email grind of freight brokerage. A former Uber Freight product manager and Yale economics grad, he started FleetWorks in late 2022 with cofounder Quang Tran, went through Y Combinator's Summer 2023 batch, and in October 2025 raised a $17M round (including a $15M Series A led by First Round Capital) to automate the matching of trucks with cargo across a $1T+ industry.
Philippe Noël is the co-founder and CEO of ParadeDB, an open-source Postgres extension that brings Elasticsearch-grade full-text search and analytics directly into the database, eliminating the brittle ETL pipelines companies build to sync Postgres with a separate search engine. A Harvard computer science and economics graduate raised in rural Quebec, he previously co-founded the cloud-browser startup Whist before pivoting into ParadeDB during a contracting stint. In 2025 ParadeDB raised a $12M Series A led by Craft Ventures, with customers including Alibaba, Modern Treasury, and Bilt Rewards.
Ophelia is a New York-based telehealth company making evidence-based opioid use disorder (OUD) treatment available from home. It connects people to licensed clinicians for medication-assisted treatment (buprenorphine/Suboxone), with video visits, on-demand messaging, and care coordination, deliberately removing the friction and stigma of traditional rehab. Founded in 2019 by Zack Gray after he lost a loved one to an overdose, Ophelia focuses heavily on Medicaid and rural populations and has raised roughly $68 million, including a $50M Series B led by Tiger Global in 2021.
Warp is an AI-native payroll, compliance, and benefits platform built for high-growth startups. It automates the back-office grind - multi-state tax registrations, filings, benefits enrollment, global contractor payments, and compliance-notice resolution - so founders can hire, onboard, and pay teams anywhere in the US and 150+ countries without the manual admin. Backed by Y Combinator and Sound Ventures, Warp has raised about $24-25M to build what it calls an autonomous back office.
Xendit is a Southeast Asian payments infrastructure company that lets businesses accept, process, and disburse money across Indonesia, the Philippines, Malaysia, and the wider region through a single API. Founded in 2015 and the first Indonesian company backed by Y Combinator, it handles virtual accounts, e-wallets, cards, QR codes, payouts, and fraud prevention for startups, marketplaces, and global enterprises expanding into the region.
Zapier is the automation platform that connects more than 8,000 apps so people can build workflows - called Zaps - without writing code. Founded in 2011 by Wade Foster, Bryan Helmig and Mike Knoop, the fully remote company has grown from a Y Combinator side project into a roughly $5 billion business serving millions of users, and it is now reorienting around AI agents that don't just move data between apps but make decisions inside the workflow.
Nanonets is a San Francisco-based AI company that turns messy, unstructured documents - invoices, receipts, contracts, claims - into clean, structured data that flows directly into systems like SAP and Salesforce. Founded in 2017 by Sarthak Jain and Prathamesh Juvatkar, the company builds OCR and deep-learning agents that automate the dull back-office work nobody wants to do.
AfterQuery is a San Francisco applied research lab that builds expert-generated datasets, benchmarks, and reinforcement-learning environments for the world's leading AI labs. The company recruits nearly 100,000 vetted domain experts - in finance, law, medicine, software, and beyond - to teach frontier models how specialists actually think.
Angle Health is a San Francisco-based, AI-native health insurance platform for small and mid-sized employers. Founded in 2019 by ex-Palantir engineers, it combines carrier, third-party administrator, and underwriting functions into one stack, letting brokers quote level-funded plans in minutes and giving members a mobile-first care experience.
Canary Technologies is the AI-powered Guest Management System trusted by 20,000+ hotels in 100+ countries. Founded in 2017 by Harman Singh Narula and SJ Sawhney, it sells AI Voice, AI Webchat, Mobile Check-In, Digital Contracts, Upsells, and Digital Tipping to brands like Marriott, Wyndham, Four Seasons, and Best Western.
Checkr is a San Francisco-based HR-tech company that uses AI and a modern API to run background checks at internet speed. Founded in 2014 by Daniel Yanisse and Jonathan Perichon out of Y Combinator, it processes screenings for Uber, Instacart, DoorDash, OpenAI and thousands of other employers - and lobbies hard for fair-chance hiring along the way.
Cortex is the engineering operations platform - an internal developer portal that catalogs services, scores them against engineering standards, and pushes teams to act on what's broken. Born out of the chaos of Uber-scale microservices, it gives platform teams a single pane of glass over ownership, quality, and operational maturity.
FLOWER CO. is a California members-only cannabis delivery club that sells lab-tested weed, prerolls, edibles, and concentrates at wholesale prices, shipped next-day from Humboldt to San Diego.
Humand is a mobile-first, all-in-one HR platform built for the 2.7 billion deskless and frontline workers who have never had a proper digital work home. Founded in 2020 by Nicolas Benenzon and Geronimo Maspero, the platform combines 30+ HR modules - from internal communications and payroll to performance reviews and AI-powered automation - into a single app. With 1.6 million workers across 1,500+ organizations in 51 countries, and a $66M Series A raised in February 2026 co-led by Kaszek and Goodwater Capital, Humand is positioning itself as the operating system for the world's largest workforce segment.
Just Appraised builds AI-powered software for local governments - starting with county assessors and clerks. Founded in 2017 at Stanford, the Palo Alto company now serves 300+ counties across 30 states, turning paper-bound deed processing, exemptions, appeals, and constituent services into modern digital workflows.
Mercury is a San Francisco fintech that builds banking and financial software for startups and growth-stage companies. Through partner banks, it offers FDIC-insured checking and savings, corporate cards, treasury, venture debt, bill pay, and an API - aimed at founders who would rather not call a branch manager.
Mixpanel is a product analytics platform that helps teams understand how users actually behave inside their digital products. Built around event-based tracking rather than page views, it lets companies run funnels, cohorts, retention curves, and experiments without writing SQL. Founded in 2009 by Suhail Doshi and Tim Trefren out of Y Combinator, the company now serves more than 8,000 paying customers and crossed $210M ARR.
Abel Mengistu is the cofounder and CEO of FlutterFlow, the low-code visual app builder that has enabled over 2 million users to create production-ready Flutter applications without deep coding expertise. A former Google senior software engineer who worked on Google Maps and ATAP hardware, he co-founded FlutterFlow in 2020 with Alex Greaves after a failed restaurant-recommendation startup taught them the real bottleneck was app development complexity. Accepted into Y Combinator's Winter 2021 batch after applying past the deadline, they famously survived 'No-sleep November' to build FlutterFlow 1.0 in a single month. The company raised a $25.5M Series A from GV (Google Ventures) in January 2024, has grown to 173 employees, and in 2025 launched Dreamflow - an AI-powered builder that generates production-ready app screens in roughly 10 seconds.
Advith Chelikani is the co-founder and CTO of Pylon, an AI-powered B2B customer support platform based in San Francisco. A Caltech computer science graduate and former Samsara engineer, Advith co-founded Pylon in November 2022 alongside Marty Kausas and Robert Eng. In under three years, the company raised $51.2M in total funding - including a $17M Series A from a16z in 2024 and a $31M Series B in 2025 - scaled to 750+ customers, and grew revenue 5x year-over-year for two consecutive years. Pylon replaces legacy platforms like Zendesk by meeting enterprise support teams where their customers already are: Slack, Microsoft Teams, and Discord.
Akash Agarwal is the Founder and CEO of Pibit.AI, a Y Combinator-backed insurtech company revolutionizing commercial insurance underwriting through AI. Building on a childhood watching his father toil as an insurance agent buried in paperwork, Akash set out to automate the most labor-intensive parts of underwriting. Pibit.AI's CURE platform - Centralized Underwriting Risk Environment - processes loss runs, submission documents, and risk data at machine speed, helping insurers cut underwriting cycle times by up to 85% and improve loss ratios by up to 700 basis points. After raising a $7M Series A led by Stellaris Venture Partners in November 2025, with participation from Y Combinator and Arali Ventures, the company is scaling its AI models and data partnerships to reshape how the $1T+ P&C insurance industry makes risk decisions.
Alejandro Casas Caro is the co-founder and CEO of Simetrik, a Y Combinator-backed AI-powered financial reconciliation platform that processes over 1 billion records daily for 100+ companies across 40+ countries. A technical founder who studied UX design in Barcelona, he pivoted from a failed fashion e-commerce startup to building what has become a $116M+ funded enterprise infrastructure company backed by Goldman Sachs, Tiger Global, and Mercado Libre Fund.
Alex Alvarado is the co-founder and CEO of Daybreak Health, a school-based teletherapy platform that partners with K-12 school districts to deliver personalized mental health support to students. Inspired by his younger brother's struggle with depression and his family's difficulty finding affordable, accessible care, Alvarado launched Daybreak Health in 2020 through Y Combinator's S20 cohort. The company has since raised $25 million in total funding, serves 100+ school districts, and reaches over 1 million students nationwide - with 81% showing clinical improvements in anxiety and depression assessments. Alvarado grew up in Seattle as the oldest of five children to educator parents, attended Stanford University where he studied economics and public policy, and went on to work at the U.S. Treasury, Kaiser Family Foundation, Oliver Wyman, and Castlight Health before founding Daybreak.
Alex Bouaziz is the co-founder and CEO of Deel, the $17.3 billion global HR and payroll platform that allows companies to hire anyone, anywhere. Born in Paris in 1993 and raised between France and Israel, Bouaziz studied civil engineering at Technion and MIT before pivoting to entrepreneurship. He co-founded Deel in 2019 with MIT classmate Shuo Wang after observing glaring pay inequities for international talent and experiencing firsthand the pain of paying overseas workers. Under his leadership, Deel surpassed $1 billion ARR in Q1 2025, raised $300 million in Series E funding at a $17.3 billion valuation in October 2025, and became one of the fastest-growing HR technology companies in history.
Alex Greaves is the Co-Founder and CTO of FlutterFlow, a visual low-code/AI-powered app development platform he co-founded in 2020 alongside fellow ex-Googler Abel Mengistu. Built on Google's Flutter framework, FlutterFlow has grown to serve over 2 million users across 200+ countries, backed by $25.5M in Series A funding led by GV and Gradient Ventures at a ~$170M valuation. A Stanford physics and CS grad who honed his craft on Google Maps' machine learning team, Greaves now leads a platform that lets developers and non-developers alike ship native iOS, Android, and web apps in a fraction of traditional development time.
Anand Prajapati is Co-Founder and CTO of Leena AI, an enterprise agentic AI platform that deploys AI colleagues to automate back-office work across HR, IT, Finance, and Procurement. A graduate of IIT Delhi, Anand built Leena AI's technology from scratch after two earlier startup pivots, guiding the company through Y Combinator's Summer 2018 batch to a $30M Series B led by Bessemer Venture Partners. Today Leena AI's platform serves 400+ enterprise customers across 90+ countries - including Nestlé, Coca-Cola, and Sony - resolving millions of employee queries autonomously across 100+ languages.
Anish Dhar is the Cofounder and CEO of Cortex, a San Francisco-based internal developer portal company he co-founded in 2019 after spending nearly five years as an engineer at Uber. Watching Uber's microservices sprawl into chaos—thousands of undocumented services named after video games, ownership lost every time someone quit—he rented an Airbnb for a weekend hackathon with two friends and built the first version of what would become a $470M company backed by Sequoia, Scale Venture Partners, IVP, and the Collison brothers. Cortex raised $60M in Series C funding in September 2024 and is used by engineering teams at Adobe, Grammarly, Xero, TripAdvisor, and Canva to catalog, score, and continuously improve their software services.
Art Agrawal (full name Abhas 'Art' Agrawal) is a serial entrepreneur and Co-Founder & CEO of Jerry (jerry.ai), an AI-powered car ownership super app based in Palo Alto, California. A TechCrunch Disrupt 2012 winner with his prior startup YourMechanic, Art has spent over a decade attacking the friction-laden world of car ownership - from on-demand repairs to insurance comparison and auto loan refinancing. Jerry has raised $330M+, reached profitability in 2024, and serves over 4 million customers, saving them an average of $800/year on car insurance.
Aziz Qureshi is one of the four co-founders of Gusto (formerly ZenPayroll), the cloud-based HR, payroll, and benefits platform serving over 500,000 small and medium businesses across the United States. Founded in 2012 as part of Y Combinator's Winter 2012 batch, Gusto has grown into one of the most prominent HR SaaS companies in the world, raising over $796 million in funding at a $10 billion valuation. Qureshi, based in Karachi, Pakistan, has maintained a notably private profile compared to his co-founders, contributing to Gusto's mission of bringing simplicity and humanity to workforce management for small businesses.
Benjamin Encz is the CEO and Co-Founder of Ashby, a San Francisco-based AI-native recruiting platform used by companies like OpenAI, Shopify, and Snowflake. A German-born software engineer turned recruiting-infrastructure builder, he spent 80% of his time on recruiting operations as Director of Engineering at PlanGrid before co-founding Ashby in 2018. Under his leadership, Ashby has grown to 2,700+ customers, ~$28M ARR, 380 employees, and $142.5M in total funding including a $50M Series D in 2025.