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Impulse Space

SpaceTech · Redondo Beach, US

In-space mobility company founded by SpaceX's first employee Tom Mueller.

Founders

Tom Mueller (United States · ♂) — SpaceX's first employee who designed the Merlin and Draco engines, he founded Impulse Space after retiring to build in-space transportation tugs and landers for the last mile of orbit.

Date	Round	Amount
Jun 2026	Series D Plus Impulse Space raised a $500M Series D co-led by 137 Ventures and BANNER VC at a $4.26B valuation to scale orbital transfer vehicles.	$500M

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