Glean is a unicorn startup that provides an intuitive search engine for a company's internal tools. By indexing everything from Slack and Jira to Google Drive and GitHub, Glean allows employees to find answers to complex questions instantly while maintaining strict security permissions. The platform uses advanced retrieval-augmented generation (RAG) to summarize information across multiple documents, significantly reducing the time spent on internal knowledge discovery. Headquartered in Palo Alto, Glean is backed by Sequoia Capital, Kleiner Perkins, and General Catalyst.