Sterling Brown is the Utah Farm Bureau Federation’s vice president for public policy.

Arlin S. Wasserman is founder of the St. Paul-based consulting firm Changing Tastes, which counsels philanthropic organizations and food companies on agriculture and food trends.

Mark Muller is director of the Food and Justice Program at the Institute for Agriculture and Trade Policy in Minneapolis, which posts resources on the farm bill. See also a Nov. 7, 2011, column that Muller wrote about the bill.

Charles W. Fluharty, a graduate of Yale Divinity School, is president emeritus and director of policy programs at the Rural Policy Research Institute at the University of Missouri in Columbia.

Barbara J. Dilly is associate professor of anthropology at Creighton University in Omaha, Neb. Her research interests include the rural church and American agriculture.

The Churches’ Center for Land and People, based in Middleton, Wis., is is an ecumenical organization working to strengthen rural life and the ministries of faith communities in Wisconsin, Iowa and Illinois. It is sponsored by a number of Christian denominations, religious orders and other organizations.

Daryll E. Ray is a professor and holds the Blasingame Chair of Excellence in Agricultural Policy at the University of Tennessee, Knoxville. He directs the Agricultural Policy Analysis Center. See a column on the 2012 farm bill that he wrote with Harwood Schaffer, research assistant professor for the center.

Daniel Vestal was the executive coordinator of the Atlanta-headquartered Cooperative Baptist Fellowship until 2012. He lobbied Congress about the 2007 farm bill for reforms aimed at helping rural areas and poor farmers.

Eva Clayton is a former Democratic congresswoman from North Carolina who worked with Bread for the World for change in the 2007 farm bill.