Marya Hornbacher is a writer and nonbeliever who has written widely of her own struggles with mental illness. She is the author of Waiting: A Nonbeliever’s Higher Power, which explores what spirituality can mean to nonbelievers recovering from a mental illness.

Letitia Campbell is an assistant professor of ethics at Emory University’s Candler School of Theology in Atlanta, where she also coordinates the Laney Legacy Program in moral leadership and the clinical pastoral education program. She studies Christian evangelization, especially in short mission trips, and helps run a Facebook group on virtual ministry tools.

Jehu J. Hanciles is an associate professor of world Christianity at Emory University’s Candler School of Theology in Atlanta. He studies global Christian expansion, especially in Africa.

Silas W. Allard is a scholar of law and religious ethics with a focus on immigration and human rights. He is associate director of the Center for the Study of Law and Religion at Emory University in Atlanta and managing editor of the Journal of Law and Religion.

Marie Marquardt is a scholar-in-residence at Emory University’s Candler School of Theology in Atlanta. She studies Latin American immigrants, gender and migration, multiethnic and multicultural congregations, religious diversity in immigrant communities and religion in civic and public life. She is the founding co-chair of El Refugio Ministry, which serves immigrants detained in Georgia.

Suzii Paynter is executive coordinator of the Cooperative Baptist Fellowship, an umbrella organization of almost 1,800 congregations and individuals in 30 countries. She can discuss human trafficking, immigration reform, environmental justice, hunger, poverty and religious liberty and other ethical issues from a liberal Baptist perspective.

Jim Winkler is president and general secretary of the National Council of Churches of Christ in the USA, an organization that represents 37 religious denominations. He is based in Washington, D.C.

Robert Wright is the 10th bishop of the Episcopal Diocese of Atlanta. He is an outspoken advocate of gun control and has addressed the Georgia State Legislature on the subject.

Glenda Stansbury is dean of the In-Sight Institute and marketing and development director for In-Sight Books. She helps train nonreligious funeral celebrants and can discuss nonreligious funerals and contemporary funeral and memorial practices. She is based in Oklahoma City.