Daphne Koller is a Professor in the Stanford AI Lab,at the Computer Science Department at Stanford University. She joined the department in September 1995. In 1993 she completed her PhD at Stanford under the supervision of Joe Halpern. In between, she was a postdoctoral researcher with Stuart Russell's research group at the Computer Science Division at UC Berkeley. Before that, she did her masters and undergraduate degrees at the Hebrew University of Jerusalem, Israel.