is a former U.S. Under-Secretary of State for Political Affairs, former Representative to the United Nations, and Ambassador to Russia, India and Israel, among other ambassadorships.

is a former Premier of Ontario, and Member of Parliament, Canada. Today, he is Canada's Permanent Representative to the United Nations.

is a former Iraqi ambassador to the United States.

is Director of the Institute of Oriental Studies, Russian Academy of Sciences, and Chair at the Faculty of World Politics, Moscow State University.

is a former Minster of Foreign Affairs of Spain, and former EU Special Representative for the Middle East Peace Process.

is the President and Chief Executive Officer of Search for Common Ground - the world’s largest dedicated peacebuilding organization.

is a partner in ReD Associates, a strategy consulting company that applies social science methods to business problems.

is a former French diplomat who served as Ambassador in Syria from 2009 to 2012, and Diplomatic Advisor to the French Minister of Interior. He is now Special Advisor at Institut Montaigne.

is the founder and CEO of The Shaikh Group. He is formerly the director of the Brooking Institution's Doha Center, where his research focussed on conflict resolution, domestic policy and the geopolitics of the Middle East.