Stu Smith

Scribble Ventures is an early-stage venture firm led by operators and investors from OpenAI, Twitter, IG & A16z. We invest in Pre-Seed and Seed, and write initial checks of up to $1.5M. This allows Scribble to collaborate and co-invest with other angel investors and early-stage funds, so you can bring the best partners into your round. Through our network of operators, executives, and investors, we help accelerate growth, recruiting, and future fundraising for our companies.

Create, find, and maintain trustworthy knowledge in one AI-powered platform.

Noto provides modern business management software for after school businesses like tutoring centers, music schools, and art schools. Their powerful feature set greatly reduces the administrative complexity for traditional manual tasks such as registration, rescheduling, and payments, allowing these owners to focus on what they do best: teaching.

The first AI-powered go-to-market platform built for public sector sales teams. Monitor hundreds of thousands of government agencies & schools in real time for bids, meeting discussions, contract expirations, grants, budgets, procurement rules and contact data. Over 300+ enterprise public sector sales teams, including Instructure, SimpliGov, and Clever, leverage Starbridge to identify public sector opportunities before the RFP. As one Account Executive put it: “Starbridge gives me real intelligence on what agencies are struggling with. I’m able to approach outbound prospecting with greater strategy, authenticity, and thoughtful insights, tailoring each message to what actually matters to the prospect. Its 4x’ed our response rate.”

Welcome to the Social Internet. Bluesky is social media as it should be. Find your community among millions of users, unleash your creativity, and have some fun again. Were building a new foundation for social networking which gives creators independence from platforms, developers the freedom to build, and users a choice in their experience.

We make it easy to develop state of the art AI software for task automation.

Humata is AI for all your files. Asking is faster than skimming. Chat your way through many long documents. Get the answer with references.

The most powerful answer engine. Powering curiosity with answers backed by up-to-date sources. This is where knowledge begins.

Haize Labs is the trust, safety, and reliability layer underpinning AI models in every industry and use case. By haizing (i.e. stress-testing and red-teaming) to discover and eliminate all failure modes, we enable the risk-free adoption of AI.

Automated testing and monitoring for AI voice agents.

BrowserOS is an open-source agentic browser that runs AI agents locally.

The AI prototyping tool loved by product managers, designers, and website builders. Iterate on components & designs in our AI-native editor. Export to React or Figma. Use your custom components and existing styles.

Hello Patient is transforming healthcare communication through advanced conversational AI. After spending 3.5 years scaling Carbon Healths technology during its hypergrowth, our founding team witnessed firsthand how much clinical time gets wasted on basic communication—great clinicians buried in administrative work, patients frustrated by missed connections and phone tag. Our enterprise-grade AI platform proactively engages patients through perfectly timed calls and texts, naturally resolving complex interactions end-to-end—from patient acquisition and scheduling to retention. Built with security and compliance at its core, our technology integrates seamlessly with existing healthcare infrastructure to deliver 24/7 patient engagement while enabling staff to focus on what matters most: providing exceptional care. Backed by 8VC, were building the future of healthcare communication, one conversation at a time.

Scribble Ventures is an early-stage venture firm led by operators and investors from OpenAI, Twitter, IG & A16z. We invest in Pre-Seed and Seed, and write initial checks of up to $1.5M. This allows Scribble to collaborate and co-invest with other angel investors and early-stage funds, so you can bring the best partners into your round. Through our network of operators, executives, and investors, we help accelerate growth, recruiting, and future fundraising for our companies.

Create, find, and maintain trustworthy knowledge in one AI-powered platform.

Noto provides modern business management software for after school businesses like tutoring centers, music schools, and art schools. Their powerful feature set greatly reduces the administrative complexity for traditional manual tasks such as registration, rescheduling, and payments, allowing these owners to focus on what they do best: teaching.

The first AI-powered go-to-market platform built for public sector sales teams. Monitor hundreds of thousands of government agencies & schools in real time for bids, meeting discussions, contract expirations, grants, budgets, procurement rules and contact data. Over 300+ enterprise public sector sales teams, including Instructure, SimpliGov, and Clever, leverage Starbridge to identify public sector opportunities before the RFP. As one Account Executive put it: “Starbridge gives me real intelligence on what agencies are struggling with. I’m able to approach outbound prospecting with greater strategy, authenticity, and thoughtful insights, tailoring each message to what actually matters to the prospect. Its 4x’ed our response rate.”

Welcome to the Social Internet. Bluesky is social media as it should be. Find your community among millions of users, unleash your creativity, and have some fun again. Were building a new foundation for social networking which gives creators independence from platforms, developers the freedom to build, and users a choice in their experience.