Philip Johnston
Showing 1–4 of 4 transcripts.
- Y Combinator36 min
The Case For Data Centers In Space
Philip Johnston, Mark Mandelmann
Founded by Philip Johnston in 2024 and backed by a $170 million Series A from Benchmark, StarCloud has emerged as YC's fastest-growing unicorn by pioneering orbital data centers to bypass terrestrial energy constraints. The company successfully launched its first satellite in November 2025, deploying custom-modified GPU hardware and thermal management systems to run AI models like Gemini while utilizing automotive-grade components to mitigate radiation risks. With plans to scale to 88,000 satellites by 2028 and deploy high-bandwidth compute for government and hyperscale customers, StarCloud aims to eventually generate terawatts of processing capacity through partnerships with SpaceX and NVIDIA.
AMD, Starcloud, Coatue..10 Hot Takes From The Biggest Names in AI
Max Cook, Matan Grinberg, Pim de Witte, Philip Johnston, Mark Papermaster, Rodrigo Liang, Ramin Hasani, Robin Rombach, Chris Madden, Henri Delahaye, Molly, Philippe, Thomas
At the RAISE Summit, industry leaders like Max Cook and Matan outlined a decisive shift toward agentic AI ecosystems that replace traditional interfaces with natural language and naturalize the routing between frontier and open-source models based on latency and cost. Concurrently, hardware giants such as SambaNova and StarCloud announced billion-dollar investments and space-based compute strategies to overcome power constraints and enable efficient inference on edge devices. This convergence of sovereign AI initiatives, supply chain scaling, and automated software engineering marks a global transition where enterprises treat AI as a deployed product rather than a research tool.
- Y Combinator1 min
Electronics in Space
StarCloud co-founder Philip Johnston is addressing the surge in space launch capacity from companies like SpaceX and Astrospace by developing orbital data centers optimized for inference workloads. Y Combinator is currently recruiting chip designers with backgrounds at SpaceX and NVIDIA to create specialized processors that meet critical requirements for reduced mass, thermal efficiency, and radiation hardening. This initiative aims to capture the urgent market demand for computing resources that can operate effectively in the harsh space environment.
- Y Combinator13 min
Inside The Startup Launching AI Data Centers Into Space
Aaron Epstein, Philip Johnston, Ezra Feilden, Adi Oltean, Addy
Launched on November 2nd via a SpaceX rideshare mission, aerospace startup StarCloud successfully deployed the first orbital data center, StarCloud One, which houses an NVIDIA H100 GPU to operate 100 times more powerfully than previous space computers. Founded in Summer 2024 by CEO Philip Johnston, Microsoft veteran Addy, and NASA alumnus Ezra, the team rapidly pivoted from solar power concepts to orbital compute to leverage cheaper launch costs for massive, sun-synchronous facilities that utilize deep space for cooling. With a second satellite featuring NVIDIA Blackwell architecture scheduled for October 2025, StarCloud aims to scale to 40-megawatt centers that bypass terrestrial constraints on land and water while validating high-performance workloads like model training in the vacuum.