Space · Tukwila, WA · Founded 2023 · Raised $1.4M · Formation stage
Juno Propulsion
Commercializing rotating detonation engines for rocket launch applications
Review noteGeekWire (search snippet; the page returned 403): founded 2023 by Alexis Harroun (CEO) and Ari Martinez (CTO), who met during Purdue PhDs. $1.4M pre-seed led by SOSV, plus a $1.2M NSF SBIR Phase II in Sep 2026. Team of about four. Source ↗
Edge
10#216 · ▼15 in 7d
1 of 8 families
Why now
Score
Momentum15
Research
Thesis fit95
× 0.96
Matched on additive manufacturing, defense, energy, in-space, manufacturing
Earliness95
× 0.97
Already visible: company age
Team–
× 0.85
2 named people, none from a top lab or company
15 × 0.96 × 0.97 × 0.85 × 0.85 one family only = 10