Mamdouh El-Nady has been teaching online; at American Military University since 2013, courses such as the Arabic Language, Arab-Israeli Conflict Contemp. Politics & Dipl., Capstone Middle Eastern Studies, Middle Eastern Culture, and Seminar in Middle East Politics and Security. He served as a subject matter expert and senior adviser in culture and foreign for U.S. Army. He is a Linguist & Annotator for the Center for Computational Learning Systems, Columbia University, a Certified Language Tester for ACTFL, and a Scholarly Reviewer for Annals Foreign Languages Journal. He served as a consultant for Educational Testing Service (ETS) and Supreme Education Council of Qatar and served as a Director of Languages and Regional Studies at Middle East Institute. He taught in many universities and institutes include University of Pennsylvania, Columbia University, and the US Air Force Academy (USAFA) where he served as a Distinguished Professor and Chair of Arabic Studies.