Lugene Schemper is a theological librarian at Calvin Theological Seminary in Grand Rapids, Mich. He wrote an article on seminary education for Hispanic pastors.

Sally Peters is director of the Center for Lifelong Learning at Luther Seminary in St. Paul, Minn. In July 2011, she led a session on vocation in contemporary life at Princeton Theological Seminary’s conference “Perspectives on Vocation for the 21st Century.”

Duane Kelderman is vice president for administration and an associate professor of preaching at Calvin Theological Seminary in Grand Rapids, Mich. In 2003, he participated in the school’s forum on seminary education and contributed an article, “Is Seminary Education for Pastors Still Necessary,” to its journal.

Rockbridge Seminary is the nation’s first online-only seminary. Its offices are in Springfield, Mo. It reports an enrollment rate growing at 29 percent. Contact through President Daryl Eldridge.

John Bolt is a professor of systematic theology at Calvin Theological Seminary in Grand Rapids, Mich. In 2003, he participated in a Calvin forum on seminary education and contributed an article titled “Warning! Seminary Education May Be Hazardous to Your Spiritual Health” to its journal.

Cecilia Gonzalez-Andrieu is assistant professor of theological studies at Loyola Marymount University in Los Angeles and is an expert in Latino theology. She is fluent in Spanish.

The Rev. Dorian Llywelyn is chair of the Catholic studies program at Loyola Marymount University in Los Angeles. He is fluent in Spanish and can discuss the church’s changing demographics.

Paul McPartlan is Carl J. Peter Professor of Systematic Theology and Ecumenism at The Catholic University of America in Washington, D.C. McPartlan’s areas of expertise include ecumenism, especially Catholic-Orthodox relations; and Vatican II. He is a member of the International Theological Commission, a group of 30 theologians who advise the Vatican on theological issues.

Kurt Martens is an associate professor of canon law at The Catholic University of America in Washington, D.C. Martens is an expert on papal elections, the Roman Curia, the Holy See and Vatican City State.