# Ethan Thornton Founder and CEO of [[Mach Industries]], the defense-manufacturing startup he launched as an MIT student before dropping out. At 22, Thornton is among the youngest founders in the new defense-tech cohort — and in June 2026 took Mach to a **$1.8 billion valuation**, a 4x jump in a year, on a $300M Series C. ## Background - Founded [[Mach Industries]] in 2023 around hydrogen-powered propulsion and field-manufacturable munitions; dropped out of MIT to build it. - Grew the company to roughly 350 employees and five simultaneous autonomous-weapons programs in a 115,000-square-foot Huntington Beach facility. - Closed a **$300M Series C** (June 2026), oversubscribed from a $200M target — see [[Mach Industries Series C]]. ## Significance Thornton is a marquee example of the [[American Dynamism]] pipeline: a very young technical founder, venture-backed by the same firms funding [[Anduril]] and [[Saronic Technologies]], riding the Pentagon's shift toward cheap, mass-produced autonomous systems. The speed of Mach's valuation climb — 4x in twelve months — is itself a data point in the [[Defense Tech as Asset Class]] story: capital is flowing into autonomous weapons faster than the products can be combat-proven, on the thesis that production volume is the decisive variable in modern war. ## See Also - [[Mach Industries]] - [[Mach Industries Series C]] - [[Anduril]] - [[Dino Mavrookas]] - [[American Dynamism]] - [[Defense Tech as Asset Class]]