Former Palantir Executives' Dream Exits Stealth With $17M Seed Round Led by Andreessen Horowitz

Dream emerged from stealth on October 29, 2026, with $17 million in seed funding led by Andreessen Horowitz. The startup, founded by former Palantir executives Andy Alder and Arjun Mather, is building AI world models, learned simulations of physical environments, to automate building design and engineering. Alder and Mather are Stanford roommates who each spent a decade at Palantir.