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Theseus develops navigation systems for operating where GPS signals are unavailable.
Founded in 2024 and based in California, Theseus develops navigation solutions for drones and other uses in GPS-denied environments. Its technology combines sensor integration, machine learning, and real-time data processing for applications in defense, aerospace, logistics, and autonomous systems. The company was founded by Ian Laffey, Sacha Lévy, and Carl Schoeller. It raised seed funding from Pioneer Fund in September 2024 and USD 4.3 million in April 2025, led by First Round Capital with participation from Lux Capital and Y Combinator.
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