Dr. St. Antoine has conducted research in the areas of rhetoric and public address, and in organizational communication. He has published articles in several communication journals specializing in Christian higher education. He also has presented his research at national and regional conferences and served as an editorial assistant for the Quarterly Journal of Speech. He is the director of the Frederick M. Supper Honors Program.
As a student at PBA, Dr. St. Antoine was captain of the baseball team and a member of the honors program's first graduating class.