Rebecca Greenwood is co-founder and president of Christian Harvest International and Strategic Prayer Action Network (SPAN). She is the author of Destined to Rule: Spiritual Strategies for Advancing the Kingdom of God (2007), in which she discusses the role and responsibilities of Christians as “rulers” over creation.

Cassandra Carmichael is the executive director of the National Religious Partnership for the Environment. Previously, she served as director of the National Council of Churches’ Eco-Justice Programs and has written numerous articles on faith and the environment.

Edward Brown is the founding director of Care of Creation, a Christian environmental mission agency based in Madison, Wis. He is the author of Our Father’s World: Mobilizing the Church to Care for Creation.

Rich Draeger is the press officer for the Salvation Army’s Heartland Division, which covers central Illinois.

Cindy Fuller is the press officer for the Salvation Army’s Arkansas operations.

Amanda Waters is the press officer for the Salvation Army’s Kansas and Western Missouri Division.

Danny Wuerffel is the founder of Desire Street Ministries, a Christian ministry devoted to rebuilding impoverished New Orleans neighborhoods in the wake of Hurricane Katrina.

Carolyn Tripp is a marketing professor at Southeastern University, a Christian school in Lakeland, Fla., where she focuses on marketing for Christian nonprofits.

Bob Blincoe is the president of Frontiers, a Christian nonprofit that sends missionaries to the Muslim world. It is based in Phoenix.