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HOME/PEOPLE/BRYON HARGIS
// PERSON

Bryon Hargis

ROLE CEOAT CASTELIONMENTIONS 1LAST SEEN SEPTEMBER 11, 2026
// BIO

Bryon Hargis is the co-founder and CEO of Castelion, a defense technology startup building low-cost hypersonic missiles designed for mass production. Prior to founding Castelion in November 2022, he spent nearly six years at SpaceX as a senior director of government sales, where he built the company's national security satellite sales pipeline. He also spent over a decade at the Johns Hopkins Applied Physics Laboratory earlier in his career. He holds an M.S. in Applied Physics from Johns Hopkins and a B.S. in Mechanical Engineering from Georgia Tech.

// RECENT MENTIONS
// SIGNALS
1 SIGNAL
01
mention·Sourcery Newsletter·SEPTEMBER 11, 2026

“Bryon Hargis is the CEO of Castelion. He & I just got on the phone...”

AI-extracted from podcast / newsletter / paper summaries. May contain errors.

Bryon Hargis · CEO at Castelion — 1 mention on Teahose