Stephanie A Kelton (née Bell; born October 10, 1969) is an American heterodox economist and academic, and a leading proponent of Modern Monetary Theory. She is a professor at Stony Brook University and a Senior Fellow at the Schwartz Center for Economic Policy Analysis at the New School for Social Research. She was formerly a professor at the University of Missouri–Kansas City. She also served as an advisor to Bernie Sanders's 2016 presidential campaign.