Ben Cahill is a senior fellow in the Energy Security and Climate Change Program at the Center for Strategic and International Studies (CSIS). He focuses on geopolitical risk and the oil market as well as the economics of oil-producing states. Ben was previously a director in Energy Intelligence's Research & Advisory group and led its country risk practice, advising oil and gas companies on politics, economics, and policy risks. He also wrote on corporate strategy and was the lead analyst for Saudi Aramco, Abu Dhabi National Oil Company, and the Southeast Asian national oil companies. He frequently led client briefings for supermajors, national oil companies, government agencies, and the financial sector. Ben formerly worked at PFC Energy (now part of IHS Markit) in Washington, D.C. and Kuala Lumpur, focusing on country risk and macro trends in the oil and gas industry. He has an M.A. in international affairs and economics from the Johns Hopkins School of Advanced International Studies and a B.A. in international relations and English from Boston University.