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Ralf Gulde

Ralf Gulde

Cofounder & CEO, Sereact
Dr. Ralf Gulde is co-founder and CEO of Sereact, the Stuttgart-based robotics company behind Cortex, a vision-language-action model that lets robots perceive, reason and act in unstructured environments. He founded Sereact in 2021 out of his AI robotics research at the University of Stuttgart, together with CTO Marc Tuscher. The company now runs more than 200 live systems across Europe and raised a $110m Series B led by Headline in 2026 to scale Cortex 2.0 and expand into the US

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