Toniann Pitassi

Jeffrey L. and Brenda Bleustein Professor of Engineering

Toniann Pitassi has recently joined Columbia University where her primary research interests are complexity theory, fairness, and privacy in machine learning.

She was the Bell Canada Chair in Information Systems, in the Department of Computer Science at the University of Toronto, as well as a faculty member of the Vector Institute for AI, and on the research leadership team at the Swartz-Reismann Institute for Technology and Society. She currently holds a 6 year visiting professorship at the Institute of Advanced Study in mathematics and is also a recipient of the 2021 EATCS research award.

Research Areas


  • Computational Complexity Theory