THE COMPANYLantheon is the latest venture born out of Interplay’s Studio, which builds companies from scratch.Lantheon is a U.S.-based, veteran-founded rare-earth refining company building the next generation of clean, modular separation and refining technology for neodymium and praseodymium (NdPr). Our mission is to rebuild the domestic rare-earth supply chain—starting with light rare-earth ...