Alexander Nowrasteh is an American analyst of immigration policy currently working at the Cato Institute, a libertarian think tank located in Washington D.C. Nowrasteh is an advocate of freer migration to the United States. He previously worked as the immigration policy analyst at the Competitive Enterprise Institute, another libertarian think tank. Nowrasteh is a self-described "radical" advocate for open borders to and from the United States. He has published a number of peer-reviewed studies on immigration and co-authored with Benjamin Powell the book Wretched Refuse?: The Political Economy of Immigration and Institutions.