Sarah Miller is a senior fellow with Refugees International where she covers the Great Lakes and Horn of Africa, as well as the global governance of the refugee regime. She has consulted for UNHCR, the ILO, the World Bank, the IRC, and Mercy Corps, and has worked on refugee issues with think tanks and various NGOs in the Middle East, Africa, Latin America, and Asia. She is a term member of the Council on Foreign Relations, and has helped with displacement-related projects at USAID and the U.S. Department of State as a Franklin Fellow.

She is currently adjunct faculty with Fordham University and Georgetown University, and convenes a refugee protection course for the University of London. She has published a range of books, articles, and reports on forced migration, and received her doctorate in International Relations from Oxford University in 2014. She also holds an MSc in Forced Migration from Oxford University, an MA in Social Sciences from the University of Chicago, and a BA in History, Spanish, and International Service from Valparaiso University.