Ahmed Al-Subaey, the chief executive officer for the S-Oil Corp. in South Korea, will be on campus to discuss “The Challenge of Accelerating Global Demand for Energy and Environmental Sustainability.”

Al-Subaey is an NAU engineering alumnus. A brief reception will follow the discussion. The event is part of the The W.A. Franke CEO Speaker Series and will be held in the college’s Gardner Auditorium from 2 to 3 p.m. Tuesday, Feb. 24. Tickets are required for this free event and are available at the reception area of the Center for International Education.