Lassie, whose AI agent helps dental practices automate admin work, raised a $35M Series A led by a16z, a source says, at a ~$250M valuation (Alex Konrad/Upstarts Media)

Alex Konrad / Upstarts Media: Lassie, whose AI agent helps dental practices automate admin work, raised a $35M Series A led by a16z, a source says, at a ~$250M valuation - Lassie's founders went hands-on, then built an AI agent to help dental practices save dozens of hours of busywork. Now, a16z has signed on.