Understood Care, the first AI-native patient advocacy platform, announces $8.4M in funding, including a $5M seed round led by Rethink Education and Zeal Capital Partners, and $3.4M in pre-seed funding led by 1984 Ventures, with participation from Ycombinator. The new capital will accelerate development of Ava, Understood Care's AI co-pilot, and deepen partnerships with providers, payers, and community organizations, positioning the company to tackle one of the most persistent, costly, and urgent challenges in US healthcare: care navigation.