See a Feb. 4, 2012, New York Times story about the increasing number of people living alone.

Robert M. Baird is a professor and chairman of the philosophy department at Baylor University in Waco, Texas. He co-edited the books Same-Sex Marriage: The Moral and Legal Debate, Caring for the Dying: Critical Issues at the Edge of Life, and The Ethics of Abortion: Pro-Life Vs. Pro-Choice.

V. Bailey Gillespie is a professor of theology and Christian personality and executive director of The John Hancock Center for Youth and Family Ministry at La Sierra University in Riverside, Calif. He can talk about Valuegenesis, a major study of Seventh-day Adventist youth in North America.

Kara Powell is an assistant professor in youth and family ministry at Fuller Theological Seminary in Pasadena and executive director of the seminary’s Center for Youth and Family Ministry. She has worked in college and youth ministry and is co-author of the youth curriculum “Good Sex” as well as “Help! I’m a Woman in Youth […]

Roland D. Martinson is a professor of children, youth and family ministry at Luther Seminary in St. Paul, Minn. He has written books on parenting and youth ministry and has been involved with the Faith Factors project, a longitudinal study of the factors that lead young people who are Lutheran and Baptist to remain involved […]

Jeffrey Kaster is an adjunct professor of theology and directs the Youth in Theology and Ministry Program at St. John’s University in Collegeville, Minn. – a program that many of the teenagers who attend it call “God camp.” Students come each summer to learn more about theology and the Catholic faith. Kaster also has written […]

Rhys H. Williams is a professor and chair of the sociology department at Loyola University Chicago. He has done research on immigrant college students, including their attitudes toward religion and spirituality. He was also co-director of the Youth and Religion Project, funded by the Lilly Endowment, which did field work in the Chicago area to […]

Paul Hill, formerly a Lutheran parish pastor, was director of the Center for Youth Ministries at Wartburg Seminary in Dubuque, Iowa and is now executive director of Vibrant Faith Ministries in Minneapolis He has been a church camp director and helped plan national events for Lutheran youth, and specializes in ministry with teenage boys.