William R. Cook (born 1963) is an Associate Professor in the Department of Computer Sciences at University of Texas at Austin. He received his Ph.D. in Computer Science in 1989 at Brown University. His research concentrates on object-oriented programming, programming languages, modeling languages, and the interface between programming languages and databases. Prior to joining UT in 2003, he was Chief Technology Officer and co-founder of Allegis Corporation, where he was chief architect for several award-winning products, including the eBusiness Suite at Allegis, the Writer's Solution for Prentice Hall, and the AppleScript language at Apple Computer.
At HP Labs his research was on the foundations of object-oriented languages, including formal models of mixins, inheritance, and typed models of object-oriented languages.