Nathan Doctor (@nathandoctor) header
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Founder @Infinitexyz // eternally optimistic

Global
Joined June 2011
Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)Photo by Nathan Doctor (@nathandoctor)
When energy markets experience volatility and escalated demand, the solution is decentralizing the grid with massive sodium batteries and multiple types of power gen. Peaks at the forefront of a decade long transition in energy markets and reindustrialization. Sodium/NFPP chemistry is the future.
Infinite is excited to back @peakenergytech Series B, a $108M capital raise to scale sodium-ion battery systems. America’s new industrial era demands upgraded energy infrastructure to meet the needs of an electrified economy. Their passively-cooled grid-scale battery is deploying to meet more than $1B in customer commitments.
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Infinite is excited to back @peakenergytech Series B, a $108M capital raise to scale sodium-ion battery systems. America’s new industrial era demands upgraded energy infrastructure to meet the needs of an electrified economy. Their passively-cooled grid-scale battery is deploying to meet more than $1B in customer commitments.
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As the US establishes sovereignty in core industries from manufacturing to energy, a new era dawns: The Neoindustrial Age Founders are applying hard science breakthroughs to critical industries, and industrializing the US with machine intelligence. The application of autonomy, AI, and first principles engineering is enabling a level of mastery over the physical world that has never been seen. This inflection point will define the next decade as we see legacy industries, from transportation to defense completely redefined. This also gives rise to sectors that interlink atoms and bits - AI material science, advanced compute, and applied robotics. This will create growth and prosperity, while also opening space to redefine societal paradigms. This is the moment for humanity to dream, and to prepare to stand in awe of its capacity for change.
The rise of the Neoindustrial Age Infinite invests in generational shifts - aerospace autonomy, robotic manufacturing, decentralized energy, space economy and physical AI.
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The rise of the Neoindustrial Age Infinite invests in generational shifts - aerospace autonomy, robotic manufacturing, decentralized energy, space economy and physical AI.
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We are continuing to deepen our partnership with @Mach_Industries Modern deterrence requires an industrial base that can build at the speed and volume the mission demands.
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RAI-939 outperformed industry-leading aerospace material C103 by 125x. In a head-to-head torch test, Purdue Applied Research Institute confirmed that Radical AI’s RAI-939 sample exhibited superior environmental survivability to C103. C103 has been in use since the Apollo program, but its performance limitations and constrained supply have fueled a decades-long search for a replacement. Our lab discovered that replacement in just 16 weeks. Now, we aim to scale up production of the alloy to make bigger components.
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BREAKING: @valaratomics has become the first startup in history to make nuclear electricity, powering an @nvidia Blackwell chip through its Ward 250 nuclear reactor. This marks the first time advanced nuclear power has powered AI.
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1 megawatt (1340 hp) motor in a suitcase
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The dawn of a new era of American nuclear energy. @isaiah_p_taylor and the @valaratomics team have been relentless in pursuit of criticality and fast, scalable atomics. Enormous achievement, congrats!
Moments ago, Valar Atomics took Ward 250 critical for the first time. This fulfills President Trump’s EO 14301, which called for 3 advanced reactors to go critical by July 4th. This is our second criticality as a company, and an important step toward our goal of power by July 4.
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Advancing the future of aerospace in form and function. At the bleeding edge of capability, autonomy and propulsion, Atlas enables near-VTOL at long range
Excited to announce Atlas, our VTOL strike and logistics aircraft for the Navy.
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Mach will be vital to the safety and future of free societies. As an outlier in defense innovation, Mach has proven with unprecedented speed to flight, production trajectory, and contract success that rebuilding America's industrial base is of prime importance. The team's mission-first ethos drives this strategy with urgency and operational discipline.
BREAKING: @Mach_Industries secured a $300M Series C led by @InfiniteXYZ and @RibbitCapital, according to Bloomberg.
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We are honored to lead @Mach_Industries $300M Series C alongside @RibbitCapital with participation from @khoslaventures, @bedrock, @sequoia, @winklevosscap, and @1517. Mach is built strategically for the new era of modern defense. A vertically integrated, autonomy-defined defense manufacturer designed to produce, iterate, and deploy low cost autonomous systems at scale. As global security demands shift from high-cost platforms to mass-producible systems, Mach is inflecting into technical maturity and production scale at a critical moment.
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Our time on the ground with @ethanrthornton and the Mach team proved their dedication and talent. Their mission to defend free societies is based on core values, and has driven exceptional breakthroughs. Proud to be leading their Series C at @InfiniteXYZ
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We are excited to lead @Mach_Industries $300m Series C Mach is building systems designed for real-world deployment, leading the next era of American defense.
Grateful to announce our $300 million Series C. Firepower to accelerate our mission.
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Deeply thankful to everyone who helped make this milestone possible, and to @InfiniteXYZ and @RibbitCapital for their partnership. Excited for what comes next.
Grateful to announce our $300 million Series C. Firepower to accelerate our mission.
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.@SecScottBessent: "A nation that cannot manufacture, mine, ship, or refine its needs gradually cedes its strength and sovereignty to others. That is a dangerous dependency for any country; it is an unacceptable one for the United States of America."
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Excited to build the next era of energetics.
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Exclusive: Drone startup Mach Industries acquired rocket-maker Exquadrum for $50 million in cash and equity, reflecting a wave of change in the defense sector as the Pentagon and venture-capital firms warm to startups. on.wsj.com/3PQCcSb
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The most important industries all come back to one core thing: materials science discovery. And the experimental data needed to move them forward is immensely hard to capture. With AI, new possibilities emerge.
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