
Dumitru ErhanResearcher
Google DeepMind
Senior Research Director
via Google DeepMind
Researcher
Staff Research Scientist at Google DeepMind
Hafner created Dreamer, a family of agents that learn an internal model of their environment and use it to imagine outcomes before acting. The approach has let AI master video games and control robots while needing fewer real-world attempts.
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Last editorial review: August 24, 2026