Sam Roweis April 27, 1972 - January 12, 2010 was an Associate Professor in the Department of Computer Science at the University of Toronto. His research interests were in machine learning, data mining, and statistical signal processing. Roweis did his undergraduate degree at the University of Toronto in the Engineering Science program and earned his doctoral degree in 1999 from the California Institute of Technology working with John Hopfield.

He did a postdoc with Geoff Hinton and Zoubin Ghahramani at the Gatsby Unit in London, and was a visiting faculty member at MIT in 2005. He also worked at several industrial research labs including Google, Bell Labs, Whizbang! Labs and Microsoft.
He was the holder of a Canada Research Chair in Statistical Machine Learning, a Sloan Research Fellowship, the winner of a Premier's Research Excellence Award, and a Scholar of the Canadian Institute for Advanced Research.