Samuel D. Brownback is the U.S. ambassador-at-large for international religious freedom. He previously served as governor of Kansas, as well as a U.S. representative and senator. 

The Rev. David Nichols is the pastor of Mount Tabor Lutheran Church in Salt Lake City. He helped launch the Faith, Ethics and Science Roundtable, which brings together religious leaders and scholars for monthly discussions.

Shaun King is a former church pastor, activist and journalist who focuses on social justice and racial justice issues. He is currently a writer-in-residence at Harvard University’s Fair Punishment Project. In 2018, he was the keynote speaker at Washington State University’s Martin Luther King Jr. Day celebration. Contact via his agent, Josh Katz.

The Rev. William J. Barber II is pastor of Greenleaf Christian Church in Goldsboro, N.C., and president of Repairers of the Breach, a national ministry for civil rights and social justice. In 2013, Barber began a campaign on behalf of the poor that instigated “Moral Mondays” — acts of civil disobedience and mindfulness designed to […]

The Rev. David J. Collins is a Catholic priest, a Jesuit and an associate professor of history at Georgetown University in Washington, D.C., with an interest in science, religion and space. He sometimes teaches a course on outer space, science and religion.

James Matthew Ashley is an associate professor of the history of Christianity and systematic theology at the John J. Reilly Center for Science, Technology and Values at the University of Notre Dame in Notre Dame, Ind. One of his areas of study is science and theology.

Wiliam Storrar is the director of the Center of Theological Inquiry in Princeton, N.J., an ecumenical institute for interdisciplinary research in religion. The center designates several topics to study for a year or more and has, to date, focused on religion and violence, law and religious freedom, evolution and moral identity, among others.