Her primary teaching interests are in the audit field, Pennie has taught both undergraduate and graduate auditing for many years at both Texas Tech University and Appalachian State University. She is interested primarily in auditing research, with a particular interest in accountability, affect, and audit education. Pennie's research has been published in journals such as Auditing: A Journal of Practice and Theory, Accounting Horizons, and Issues in Accounting Education. When not at work, Pennie enjoys spending time with her husband and her two children.