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Accelerating the Future: Episode 1 | Phase Four

Simon Halpern is an avid hiker, a family-man and the founder and CEO of the plasma propulsion startup, Phase Four. 

Phase Four is a plasma propulsion company that is building a game-changing, high performance satellite propulsion system. Using new applications of plasma-related technology, Phase Four aims to advance space missions through unprecedented innovation and cost effectiveness. In this interview, we learned about what it takes to build an aerospace startup, gained insight into the Space 2.0 movement, found out how to look for investors and discussed the daily life and hobbies of an aerospace entrepreneur.


Accelerating the Future is a web series that follows the journey of entrepreneurs and startups in the aerospace industry. We discuss industry trends, find out tips on developing startups, and learn unique and fun stories about the founders.

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