Mwita is a lecturer in Swahili in the Program in African Studies and leads the eight-week intensive summer course in Swahili, Princeton in Dar es Salaam. He has taught Swahili at Egerton University in Kenya, where he also served as coordinator of the Swahili program, and more recently at St. Lawrence University in New York. Mwita has a particular interest in comparative literature and drama and is the author of a play, Posa (The Engagement, 1992). He has also written articles on Swahili literature and poetry. Besides his teaching duties, Mwita is working on a book, Improvising Experiential Activities and Creative Learning in the African Language Classroom, and on two collections of poetry. He earned his Ph.D. from the University of Dar es Salaam.