Faculty who teach in the TESOL Graduate Certificate program are drawn from the Department of Applied Linguistics at Penn State's University Park campus. Our faculty are committed to teaching and mentoring students. They are recognized world wide for their topically and geographically diverse research involving a broad spectrum of languages and settings. Areas of specialization include classroom discourse and learning; corpus linguistics; discourse analysis; language and cognition; language, health, and aging; second and foreign language and literacy teaching and learning; sociocultural theory; technology and language learning; teacher education and world Englishes.