Christina has served at CTU since 2014. She is a practical theologian with a focus on cultivating reflective practitioners in a variety of settings. Her past work in campus ministry, as the Executive Director of Amate House for the Archdiocese of Chicago, and in parish ministry lend to her ability to journey with students in their field education experiences. Her recent book, Surprised by God: Teaching Reflection through the Parables, develops parable as a lens for theological reflection with a focus on reflective practice that intersects with justice.

Christina also teaches in the Spirituality and Pastoral Ministry Department. Family Spirituality is the cornerstone of her research in spirituality, primarily exploring how the spirituality of a family unit adjusts through life. In addition to her book, she has written numerous articles and book chapters and is a frequent speaker and retreat director.

Christina is a member of the Association for Theological Field Educators and the National Association of Lay Ministers. She is married to Christopher Zaker and they have four children.