Tomasz Tunguz, Founder and General Partner of Theory Ventures and Google AdSense alum, will join the Board as part of the investment. The round builds on Koah's $5 million seed round in September 2025, reflecting growing confidence in Koah's approach to monetizing generative AI without compromising the end-user experience.

Koah is the native monetization platform for generative AI. The 'AdSense for AI,' Koah helps developers monetize high-intent conversations using native, contextual advertising embedded directly within AI chat experiences. Backed by Theory Ventures, Forerunner, and South Park Commons, Koah works with leading AI apps and global advertisers to power monetization that preserves user experience and delivers performance.