Susan Martin is the Donald G. Herzberg Professor Emerita in the School of Foreign Service at Georgetown University. She previously served as the Director of Georgetown’s Institute for the Study of International Migration. She currently chairs the Thematic Working Group on Environmental Change and Migration at the World Bank. Before coming to Georgetown, Dr. Martin served as the Executive Director of the U.S. Commission on Immigration Reform, chaired by the late Barbara Jordan. She is the author or editor of more than a dozen books. She is currently working on the second edition of her book, A Nation of Immigrants, updating the manuscript to assess developments in US immigration policy since its original publication in 2010. Dr. Martin is a member of the World Refugee Council, serves on the Board of Directors of Jesuit Refugee Service USA and the Center for Migration Studies and is on the advisory boards of the Center for Disaster Philanthropy and the U.S. Government Accountability Office.