Richard McGregor is an associate professor of religion and Islamic studies at Vanderbilt University in Nashville, Tenn. He teaches courses on the Quran and interpretation, Sufism and methodology in the study of religion.

Laurel Schneider is a professor of religious studies and religion and culture at Vanderbilt University in Nashville, Tenn. She is a scholar of modern and postmodern Christian thought, trained in gender theory, sociology of religion and Native American religious traditions.

Kathleen Garces-Foley is a professor of Religious Studies at Marymount University in Arlington, Virginia. She is an expert on the religiously unaffiliated and death, among other topics.