Steve Kostas serves with the Open Society Justice Initiative as legal officer, litigation, based in the London office. Kostas previously worked at INTERIGHTS on counter-terrorism and national security cases. Prior to joining INTERIGHTS he worked as the senior legal officer in the appeals chamber and legal advisor to the President of the Special Court for Sierra Leone, as an associate legal officer to the President of the International Criminal Tribunal for the Former Yugoslavia, and as an IBA fellow in the appeals chamber of the International Criminal Tribunal for Rwanda. He has also worked as a litigation associate at Kirkland & Ellis LLP in Washington D.C. and for human rights NGOs in Delhi, Geneva, Chicago, and Washington, D.C. Kostas received a JD from the University of Chicago, and a PhD from Johns Hopkins University. He is a member of the New York bar.