Maryann Agnes Mueller is a Felician Sister of North America. Before her entrance into the congregation, she worked as a dietician and research tech in cholesterol metabolism. Later, she worked as a certified diabetes educator and taught science in high school. Now, she serves as the full-time justice and peace coordinator for the Felician Sisters of North America in Enfield, Connecticut, and edits the congregational justice and peace newsletter. She serves on several boards; among them is U.S. Catholic Sisters Against Human Trafficking, for whom she publishes the Stop Trafficking Newsletter.