Brian P. Flanagan is associate professor of theology at Marymount University in Arlington, Virginia. He is the co-editor of Liturgy + Power, the 2016 annual volume of the College Theology Society, and the author of Communion, Diversty, and Salvation: The Contribution of Jean-Marie Tillard to Systematic Ecclesiology. He has also written articles in ecclesiology, ecumenism, and liturgical theology.