# Judea Pearl

> Judea Pearl is an Israeli-American computer scientist and philosopher, Chancellor's Professor of Computer Science at the University of California, Los Angeles and Director of the Cognitive Systems Laboratory. He received the Turing Award in 2011 for fundamental contributions to artificial intelligence through the development of a calculus for probabilistic and causal reasoning. Pearl made two transformative contributions to AI and statistics. First, in the 1980s, he developed Bayesian networks—probabilistic graphical models that represent joint probability distributions compactly using directed acyclic graphs encoding conditional independencies. Pearl showed how to perform efficient probabilistic inference in these networks using message-passing algorithms, revolutionizing AI reasoning under uncertainty. Bayesian networks are now ubiquitous in expert systems, spam filters, medical diagnosis, gene regulatory network analysis, and autonomous systems. Second, and more recently, Pearl has developed a complete mathematical framework for causal inference—the do-calculus—built on structural causal models and directed acyclic graphs. This framework provides a rigorous language for asking and answering questions about the effects of interventions and counterfactuals, going beyond correlation to causation. His book Causality: Models, Reasoning, and Inference and the popular The Book of Why have profoundly influenced fields spanning statistics, epidemiology, economics, and machine learning. Pearl has been a vocal advocate for incorporating causal reasoning into machine learning systems, arguing that true AI requires understanding of cause and effect.

*Source: [https://selltoscientists.com/researchers/judea-pearl/](https://selltoscientists.com/researchers/judea-pearl/)*

**Institution:** University of California, Los Angeles
**Field:** Computer Science and Artificial Intelligence
**H-index:** 93
**Publications:** 485
**Grants:** 16
**Patents:** 5

## Industry collaborations

- Google Research
- Microsoft Research
- Cognitive Systems Laboratory

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