Dr. Keith Walters is a Professor Emeritus at the department of Applied Linguistics at Portland State University. His areas of research interest include Sociolinguistics, including language and identity in North Africa and the Middle East; language and the law, especially Speak-English-Only rules in the workplace; language diversity in the US, including African American English; bilingualism, including codeswitching and diglossic switching; and language, gender, and sexuality.

Dr. Walters co-authors three textbooks: Everything’s an Argument with Readings, Everyone’s an Author, and What’s Language Got to Do with It?