IceNine is an early-stage venture capital firm investing in the reindustrialization of America, backing founders building critical technologies across defense, energy, aerospace, and deep tech. Founded by Jeff Crusey and Tim Ronan, the firm combines hands-on operational experience from scaling hardware companies, leading industrial R&D, and winning government programs with deep embedded networks across the defense and national security sectors. The firm takes a concentrated, high-conviction approach, working shoulder-to-shoulder with technical founders on the operational, commercial, and technical decisions that compress development cycles and accelerate momentum from day zero. IceNine's portfolio includes companies like Xona Space Systems and Castelion, and the team brings expertise in navigating SBIR/STTR programs, DoD contracting, and the path from prototype to program of record. The firm explicitly rejects applying traditional SaaS playbooks to hard tech companies, instead prioritizing first-principle technical depth and government market access.
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