
Sebastian De RoFounder
Magic
Co-founder
via Magic
Researcher · Founder · Executive
Co-founder and CEO at Magic
Steinberger co-founded Magic to build coding systems that can reason across very large software projects. His earlier research developed algorithms for strategic games, including DREAM for learning poker without relying on a fixed opponent model, experience that informs his focus on long-horizon AI reasoning.
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Last editorial review: August 10, 2026