The Institute for Economics and Peace (IEP) is a global think tank headquartered in Sydney, Australia with branches in New York City, Mexico City and Oxford. IEP studies the relationship between peace, business, and prosperity, and seeks to promote understanding of the cultural, economic, and political factors that drive peacefulness. It is a registered Australian charity and works in partnership with the Aspen Institute, Economists for Peace and Security, the United Nations Global Compact, Center for Strategic and International Studies and Cranfield University. It also collaborates with the Organisation for Economic Co-operation and Development, the Commonwealth Secretariat, UNDP and UN Peacebuilding Support Office. It is chaired by technology entrepreneur Steve Killelea, founder of IR.