PARIS — Brian Holz was on the ground floor, alongside Greg Wyler, of the O3b medium-Earth-orbit (MEO) broadband constellation and, again with Wyler, of the OneWeb Global low-Earth-orbit (LEO) project.

That experience earned him a reputation that has helped him get seed financing from Intellectual Ventures for the Holz-designed Mangata Networks constellation of MEO and highly elliptical orbit (HEO) satellites.

Another broadband constellation when at least three networks — SpaceX’s Starlink, post-bankruptcy OneWeb,

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