ABOUT
OUR MISSION
We Change the Way Things Move in Space. Our mission is to provide today’s and tomorrow’s in-space propulsion systems for a variety of satellites, a variety of fuels, and a variety of mission types, ensuring constellation operators have the broadest set of options to perform their missions.
Phase Four Executive Team
Phase Four Board of Advisors
Ed Perlmutter
Jeff Grant
Kevin O’Connell
William Shelton
What We're Doing
Phase Four is developing a new paradigm of in-space propulsion for the rapidly expanding space economy. From large constellations in LEO to new missions and cutting edge capabilities, our team is the key to mission success. We are focused on building a reliable supply of high performance thrusters, focusing on manufacturing assurance early in the engineering process.