# Brilliant.org

> Brilliant.org is an interactive STEM learning platform that teaches math, science, data, and computer science through hands-on problems instead of passive video. Founded in 2012 by Sue Khim, the San Francisco-based company has grown to roughly 10 million learners and operates on a freemium subscription model with 90+ guided courses.

- **Founded:** 2012
- **Headquarters:** San Francisco, California, United States
- **Founders:** Sue Khim (CEO & Co-founder), Silas H (Co-founder)
- **Team size:** ~140 employees
- **Products:** Brilliant Premium, Brilliant for Schools / Group Plans, Brilliant Mobile (iOS & Android), Free tier
- **Notable:** Grew from a Launch Festival pitch in 2013 to ~10 million users, Sue Khim named Forbes 30 Under 30 in Education (2013), Total funding of approximately $73M across rounds

## Products & services

- **Brilliant Premium** — Subscription access to 90+ interactive courses across math, science, data, and computer science with adaptive problem sets and instant feedback.
- **Brilliant for Schools / Group Plans** — Classroom and group subscriptions for educators and teams.
- **Brilliant Mobile (iOS & Android)** — Daily-problem app designed for short, repeated learning sessions on phone or tablet.
- **Free tier** — A rotating selection of daily problems and intro lessons available without subscription.

## Achievements

- Grew from a Launch Festival pitch in 2013 to ~10 million users
- Sue Khim named Forbes 30 Under 30 in Education (2013)
- Total funding of approximately $73M across rounds
- Acquired Hellosaurus (December 2022)
- Puzzles syndicated by major newsrooms including NYT and The Guardian

## Latest updates

- **2022-05** — Series C funding round of $50M closed.
- **2022-12** — Acquired Hellosaurus, an interactive video platform for kids.
- **2024** — Expanded AI and data science curriculum with new courses on neural networks and LLMs.

## Links

- Website: https://brilliant.org
- LinkedIn: https://www.linkedin.com/company/brilliant-org
- Twitter/X: https://twitter.com/brilliantorg
- YouTube: https://www.youtube.com/@brilliantorg
- Instagram: https://www.instagram.com/brilliantorg/
- Facebook: https://www.facebook.com/brilliantorg
- TikTok: https://www.tiktok.com/@brilliantorg

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Profile page: https://yespress.io/brilliant-org
Published by YesPress — https://yespress.io
Last updated: 2026-05-29