David Fisher is the director of Interfaith Appalachia, a nonprofit, interfaith organization that leads service-learning trips to the Appalachian region. He holds degrees in Jewish studies and environmental studies and has researched the intersection of religion, peacemaking and environmental activism.

Nana Firman is Senior Ambassador for GreenFaith, an interfaith organization that promotes environmental stewardship. She previously worked with the World Wildlife Fund in Indonesia.

Jane Lubchenco is an environmental science and marine ecology professor at Oregon State University in Corvallis. She served as administrator of the National Oceanic and Atmospheric Administration from 2009 to 2013. Additionally, Lubchenco has been the scientific co-chair for many conferences on faith-based environmental activism hosted by Orthodox Ecumenical Patriarch Bartholomew I of Constantinople.

Sarah Macias is co-director of the Green Seminary Initiative, which helps train seminary students on creation care. She also serves as an Alliance of Baptists representative on the board of Creation Justice Ministries.

The Rev. Brooks Berndt serves as the minister for environmental justice in the United Church of Christ.

The Rev. Sharon Delgado leads seminars and workshops on climate change, environmental justice and the relationship between spirituality and social action. She is an ordained United Methodist minister and founded the Climate Justice Action Network, which brings together Methodists interested in environmental activism.

Elizabeth Sherman is an assistant professor of American politics at American University in Washington, D.C. She recently wrote an analysis of John McCain’s legacy, exploring his views on the relationship between religion and politics, for The Conversation.

Charlie Black was an instrumental part of John McCain’s 2008 presidential campaign, serving as senior political adviser and meeting with evangelical Christian leaders on McCain’s behalf. He is now chairman of Prime Policy Group, a public affairs firm.

Gary Bauer is president of American Values, a conservative advocacy organization, and a commissioner for the U.S. Commission on International Religious Freedom. He regularly comments on what’s happening in the White House and, in 2000, ran against John McCain for the Republican presidential nomination.