Rachel Heath is a doctoral candidate at Vanderbilt University, where she researches multiple religious belonging.

Conrad Hackett is Pew Research Center’s associate director of research and senior demographer. Contact him through Anna Schiller.

Mary Gautier is a senior research associate with the Center for Applied Research in the Apostolate, which studies Catholic demographic trends.

Daniel Cox is director of the Survey Center on American Life and a senior fellow in polling and public opinion with American Enterprise Institute. He previously served as research director for Public Religion Research Institute.

Rebecca Catto is an assistant professor of sociology at Kent State University in Ohio. She studies the interplay between religion and secularism in North America and Europe.

Ryan Burge studies the intersection of religious beliefs and political behavior and is an expert on survey methodology. He teaches political science at Eastern Illinois University.

The Rev. Randy Wall is senior pastor of New Covenant United Methodist Church in Mount Holly, N.C. He’s also the chairman of United Methodist Rural Advocates, a group that advocates on behalf of rural and small-membership churches within the denomination.

The Rev. Althea Spencer-Miller is an assistant professor of New Testament at Drew University Theological School and a United Methodist pastor.