Jeff Thornburg is the co-founder and CEO of Portal Space Systems, a next-generation spacecraft company developing highly maneuverable, reconfigurable platforms designed for responsive operations in orbit. Under his leadership, Portal has raised one of the largest publicly announced seed rounds in the space sector, launched a new spacecraft product line manifested with commercial payload partners, and expanded its technical footprint with an operational R&D and test facility and a future manufacturing headquarters coming online in 2026. In 2025, Portal was named one of Via Satellite’s Top 10 Small Satellite Companies to Watch.
