This guest lecture, hosted by GW’s Master of Science in Tourism, Hospitality, and Event Management program, features speaker Denise Naguib, who is the Global Vice President of Sustainability and Supplier Diversity at Marriott International. She’ll be talking about the company’s sustainable development practices and how Marriott incorporates sustainability and supplier diversity into its global operations. The session is part of Dr. Cevat Tosun’s Sustainable Destination Development course, but it’s open to anyone interested. It’s happening on November 10, 2025, at 7:10 PM EST, both in person at Duques 259 and online via Zoom.