Explorer 1 is a Venice, California-based venture capital firm investing in the emerging space economy across space and aerospace verticals. It backs U.S. companies across early and later-stage venture rounds, with relevance for founders building space infrastructure, satellites, propulsion, hardware and deep tech. Portfolio exposure includes Varda, Stoke, Lunar Outpost, Radian, Ursa Major Technologies, Lynk and Adranos, and the team combines NASA JPL, Boeing, Blue Origin and institutional investing experience.