Diane Apostolos-Cappadona is Adjunct Professor of Religious Art and Cultural History in the Center for Muslim-Christian Understanding, Adjunct Professor in Visual Culture (formerly Art and Culture) in the Graduate Liberal Studies Program, and Adjunct Professor of Catholic Studies at Georgetown University. The recipient of Georgetown University's Alumni Association Faculty Award for 2008, she received both the Annual Award for Excellence in the Arts from The Newington-Cropsey Foundation and the Excellence in Teaching Faculty Award from Georgetown University in 2000.

During the 1996-97 academic year, she was a Senior Fellow at the Center for the Study of World Religions at Harvard University. Dr. Apostolos-Cappadona is the author of the Encyclopedia of Women in Religious Art (1996); Dictionary of Christian Art (1994); and The Spirit and the Vision: The Influence of Christian Romanticism on the Development of the 19th Century American Art (1995); and of the new introduction for the reprint edition of Sacred and Profane Beauty: The Holy in Art by Gerardus van der Leeuw (2006). She is the editor of Isamu Noguchi: Essays and Conversations (1994); Image and Spirit in Sacred and Secular Art by Jane Dillenberger (1990); Symbolism, the Sacred, and the Arts by Mircea Eliade (1985); Art, Creativity, and the Sacred (1995 [1984]); and The Sacred Play of Children (1983); Art Editor for World Spirituality: An Encyclopedic History of the Religious Quest, 25 volumes (1985-1994); and co-translator for A History of Religious Ideas, Volume III by Mircea Eliade (1985). A Contributor to The Dictionary of Art (1996), American National Biography (1999), Encyclopedia of New England Culture (2005), Encyclopedia of American Studies (2001), Encyclopedia of Comparitive Iconography (1998), Encyclopedia of Women and World Religions (1999), Die Religion in Geschichte und Gegenwart (1998-2005), Christianity: A Complete Guide (2005), A Companion to the Study of Religion (2005), New Wes