Jonathan Horowitz (@J_T_Horowitz) is a senior legal officer for the Open Society Justice Initiative. He focuses on issues of human rights, national security and counterterrorism, and the law of armed conflict. Prior to joining the Justice Initiative, Horowitz worked at the U.S. Embassy in Kabul where he advised the embassy on its detention policies. He was also an Open Society Foundations grantee who documented detainee and night-raid abuses in Afghanistan. As the research director at One World Research from 2007-2010, he managed a team of investigators who documented human rights abuses in Pakistan, provided factual research for asylum lawyers, and was an investigator for habeas lawyers representing Afghan nationals detained at the U.S. detention facility in Guantanamo Bay. Horowitz has also worked as a Sudan/Chad analyst at the International Criminal Court and as a consultant for Human Rights Watch. From 2005 to 2007, he was a U.N. human rights officer in Sudan. Horowitz obtained an LLM from the University of Essex in 2004 and has published on the application of human rights in times of armed conflict; international law pertaining to transfers of conflict-related detainees; human rights fact-finding methodologies; and the “Responsibility to Protect” in Darfur. He has authored and co-authored several reports that document human rights abuses in the context of armed conflict and counterterrorism.