Tana, an AI-powered productivity startup, has raised $25 million in funding, with a notable 160,000+ waitlist for its AI-driven knowledge graph designed to enhance workflow. The funding round was led by Tola Capital, with participation from Lightspeed Venture Partners and Northzone. Tana's innovative platform utilizes AI-driven 'Supertags' to transform meetings and notes into structured action items, addressing common productivity challenges. The startup emerged from stealth mode, backed by prominent investors, including the creator of Google Maps. This funding marks a significant step in Tana's mission to revolutionize knowledge work through human-AI collaboration.