D.L. Mayfield is a writer and author who covers refugees, Christian theology and other ethical issues. She published a reflection on Hallmark movies in Christianity Today in 2015.

Catriona Robertson is the director of Christian Muslim Forum, a London-based interfaith organization aimed at healing divides between Christian and Muslim faith communities.

Linda Feldman is the director of family education for the Bureau of Jewish Education of Greater Phoenix, which offers courses for interfaith couples.

Keith A. Mayes is a professor of African-American history at the University of Minnesota. He studies the significance and appeal of black holidays, including Kwanzaa.

Ellen Davis is the senior vice president for research and strategic initiatives for the National Retail Federation, which studies spending related to winter holidays.

Dianne Ashton is a professor of religion and American studies at Rowan University in Glassboro, N.J. She is the author of Hanukkah in America: A History.

Stanley P. Rosenberg is the executive director of Scholarship & Christianity in Oxford, which supports Christian scholars and students. He also serves as an adviser to the Museum of the Bible, with a particular focus on science and the Bible.

Tom McLeish is a physics professor at Durham University. In addition to his physics research, he studies the theology of science and wrote the book Faith and Wisdom in Science.