He has also taught at Middlebury College, Montclair State University, the National University, and the University of Texas at Austin. He is an ACTFL certified OPI, ILR OPI, WPT, AAPPL tester and a DLPT5 certified reviewer. Nasser M. Isleem is a senior lecturer at New York University at Abu Dhabi. He has also served as a senior lecturer at the University of North Carolina at Chapel Hill and a lecturer at Duke University and Meredith College. He became a certified ACTFL OPI tester in 2010. RA'ED F. QASEM is a seasoned practitioner in foreign language instruction and foreign language program management with over twenty years of experience in the United States, Jordan, and the United Arab Emirates.