Doris Donnelly is a theology professor at John Carroll University in University Heights, Ohio. She leads the school’s effort to expand the role science plays in Roman Catholic seminary curriculums.

John C. Cavadini is a theology professor at the University of Notre Dame. He is co-editor of Pope Francis and the Event of Encounter, with Donald Wallenfang.

Anna Case-Winters is a theology professor at McCormick Theological Seminary in Chicago, where she’s taught on the relationship between religion and science. She’s also an ordained Presbyterian minister.

Mike Martin is founder and executive director of RAWtools, an organization that confronts gun violence by leading community dialogues and transforming guns into garden tools. He is also the co-author, along with Christian activist Shane Claiborne, of Beating Guns: Hope for People Who Are Weary of Violence.

The Rev. Joey Spann is the minister of Burnette Chapel Church of Christ in Antioch, Tenn. He was shot twice during a Sept. 24, 2017, attack on his church.

The Rev. Rob Schenck is an ordained evangelical Christian minister and president of the Dietrich Bonhoeffer Institute in Washington, D.C. In response to rising gun violence, he is working to challenge evangelical support for gun ownership.

The Rev. Erik J. Richtsteig is the pastor of St. James the Just Catholic Church in Ogden, Utah. He was leading Mass in June 2013 when a man with a gun entered his sanctuary and shot a parishioner.