The field of specialization is econometrics. Professor Sasaki received a Ph.D. at Brown University in 2012, and served as an assistant professor of economics at Johns Hopkins University from 2012 to 2017. He is currently an associate editor of Journal of Econometric Methods. He has contributed to a number of research areas including panel data, quantile regressions, regression discontinuity and kink designs, measurement errors, deconvolution, and robust inference.