Kathryn Sikkink is the Ryan Family Professor of Human Rights Policy at HKS and the Carol K. Pforzheimer Professor at the Radcliffe Institute for Advanced Study. Sikkink works on international norms and institutions, transnational advocacy networks, the impact of human rights law and policies, and transitional justice. Her publications include Evidence for Hope: Making Human Rights Work in the 21st Century (forthcoming from Princeton University Press), The Justice Cascade: How Human Rights Prosecutions are Changing World Politics (awarded the Robert F. Kennedy Center Book Award, and the WOLA/Duke University Award); Mixed Signals: U.S. Human Rights Policy and Latin America; Activists Beyond Borders: Advocacy Networks in International Politics (co-authored with Margaret Keck and awarded the Grawemeyer Award for Ideas for Improving World Order, and the ISA Chadwick Alger Award for Best Book in the area of International Organizations); and The Persistent Power of Human Rights: From Commitment to Compliance, (co-edited with Thomas Risse and Stephen Ropp). She holds an MA and Ph.D. from Columbia University. Sikkink has been a Fulbright Scholar in Argentina and a Guggenheim fellow. She is a member of the American Philosophical Society, the American Academy of Arts and Sciences and the Council on Foreign Relations, and a member of the editorial board of the International Studies Quarterly, International Organization, and the American Political Science Review.