Siobhán Wills is Professor of Law at the Transitional Justice Institute in the Law School of Ulster University. She has led two Arts and Humanities Research Council projects and held a British Academy Mid-Career Fellowship on peacekeepers' legal obligations and the impact of peacekeeping on marginalised communities. She co-directed the films It Stays With You: Use of Force by UN Peacekeepers in Haiti and Right Now I Want to Scream: Police and Army Killings in Rio.