Joan J. Martínez is a Postdoctoral Scholar at the Haas School of Business, University of California, Berkeley, and a Research Affiliate at IZA. She holds an MSc from University College London.

She works on labor economics, education, and applied econometrics. Her research focuses on inequalities in labor markets and education settings, with an emphasis on policy design and firm practices. Her applied work encompasses both developed and developing countries settings.