Ayman Khalil is the director of the Arab Institute for Security Studies (ACSIS) since 2002. ACSIS pursues specialized research on WMD proliferation, cooperative security mechanisms, foreign policy analysis, human security, legislative infrastructure of disarmament treaties as well as other tracks. Hel is a physicist by training and holds a Ph.D. in theoretical physics from Reading University (UK). He served as a chair for the National Initiative on Environmental Security, joined the United Nations for 5 years and commissioned to lead a UN goodwill mission to Turkey and Cyprus in 1999.
In 2012, Ayman Khalil was elected as the coordinator of the Arab Consortium for Security and Nuclear Non-Proliferation, a network of thinks tanks and research organizations from the Arab World. Editor of various books, author of many papers and articles, including "White Paper on Jordanian Foreign Policy” and editor of a special report on the prospects of a WMDFZ in the Middle East (jointly published with GCSP in Geneva).