John Slocum has served as Interim Executive Director of Refugee Council USA since January 2021, having previously served on the RCUSA board. He is also a Nonresident Senior Fellow at the Chicago Council on Global Affairs, Associate Senior Researcher at CIDOB (the Barcelona Center for International Affairs), and Co-Coordinator of the Repository of Documentation Relating to Disappearances in Mexico (RDDM). John has been a consultant to foundations and nonprofits, providing strategic planning and executive recruitment services in the fields of migration, refugees, and human rights. From 2006 to 2016, he was the program director for grantmaking initiatives on international migration and U.S. immigration policy at the John D. and Catherine T. MacArthur Foundation. John also directed MacArthur’s Higher Education Initiative in Russia and its Research and Writing grants competition. He is a member of the advisory board for Justice in Motion, and a past board member of Grantmakers Concerned with Immigrants and Refugees. John has a PhD in political science from the University of Chicago and has published articles and commentary on migration, philanthropy, and Russia.