I work on the economic implications of machine intelligence, particularly in low-income countries.

I am Associate Professor of International and Public Affairs (without tenure) at Columbia University. I lead the Columbia AI and Development Initiative, and am a non-resident Fellow at the Center for Global Development, an affiliate of BREAD and J-PAL, and a member of the Data Science Institute. I have a PhD in economics from Harvard University.

In San Francisco through summer 2027.

Selected writing: