Sonia Jaffe is a a research economist in the Office of the Chief Economist at Microsoft. She was previously a Postdoctoral Scholar at the Becker Friedman Institute for Research in Economics at the University of Chicago. She does applied theory research in public economics, law and economics, and industrial organization.  Jaffe co-organized the HCEO conference "Segregation: Measurement, Causes, and Effects" in 2013. Jaffe spent 2012-2013 visiting the Becker Friedman Institute as a pre-doctoral scholar. She was awarded a Harvard University Presidential Scholar Fellowship and a National Science Foundation Graduate Research Fellowship.

Jaffe received a B.A. with honors in Economics from the University of Chicago in 2008, and a Ph.D. in Economics from from Harvard University in 2015.