El Khoury is the Director of the "Lebanese Center for Energy Conservation" (LCEC) at the Ministry of Energy and Water. His duties include the management of the center including the set up of strategies and programs related to energy efficiency and renewable energy in Lebanon. He was the project manager of the Global Environment Facility (GEF) "Global Solar Water Heaters Market Project", author of the National Energy Efficiency Action Plan (NEEAP) adopted by the Government in 2011, making Lebanon the first country in the Arab World to adopt such a plan. He worked on Lebanon's national financing mechanism NEEREA with the Central Bank of Lebanon and the draft energy conservation law. He is the Board of Trustees member of the Regional Center for Renewable Energy and Energy Efficiency (RCREEE). He is Secretary of the WEC Lebanon Committee, the national focal point of International Renewable Energy Agency (IRENA), Mediterranean Solar Plan (MSP), and UNEP En-Lighten Initiative. El Khoury holds a bachelor's degree in Electrical Engineering and a master's degree in Engineering Management, both from the American University of Beirut (AUB). He is a member of the Order of Engineers and Architects in Beirut.