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.

Ross Hastings is a professor of theology at Regent College in Vancouver, British Columbia. His research interests include pastoral theology, mission spirituality and religion and science.

Manuel E. Cortes is a professor of biology at Bernardo O’Higgins University in Santiago, Chile. He has researched and written about the relationship between religion and science in the context of Catholic history.

Ruth Bancewicz serves as church engagement director for The Faraday Institute for Science and Religion, helping faith groups in the United Kingdom improve their approach to science.

Tom Wassink is a psychiatry and genetics researcher at the University of Iowa. He’s also the co-pastor of Sanctuary Community Church in Coralville, Iowa.