At Phase Four, we are building the future of space. Through unprecedented innovation and cost effectiveness, Phase Four’s plasma propulsion technology is the keystone that enables satellite missions to achieve their full potential. 


Our multidisciplinary team is made up of founding business leaders with a successful track record of commercializing cutting-edge technologies. We have complete spacecraft and propulsion construction, launch, and operations experience including LEO, HEO, GEO as well as interplanetary missions.


Beau Jarvis
Chief Executive Officer

Umair Siddiqui
Chief Technology Officer

Jason Wallace
VP Operations

Mike Kwapisz
VP Engineering

Laura Overly
Director of Supply Chain and Materials