The Rev. Ambrose Carroll is co-founder of Green the Church and pastor of The Church by the Side of the Road in Berkeley, Calif.

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

Green the Church works to increase environmental activism within predominantly African-American faith communities.

Kelly E. Ormond is co-director of Stanford University’s master’s program in human genetics and genetic counseling and a faculty member with the Stanford Center for Biomedical Ethics. She previously served as president of the National Society of Genetic Counselors.

Marcy Darnovsky is executive director of the Center for Genetics and Society. She speaks and writes about why scientific advancements such as gene editing are a social justice concern.

Jim Funaro is an anthropology instructor at Cabrillo College in Aptos, Calif., and founder of the Contact Conference, an interdisciplinary conference on the future focused on contact with aliens. One of his main areas of interest is the cultural impacts of contact with alien life.

Albert A. Harrison is a professor emeritus of anthropology at the University of California, Davis. He is the author of Starstruck: Cosmic Visions in Science, Religion and Folklore and After Contact: The Human Response to Extraterrestrial Life.

Douglas Vakoch is president of Messaging Extraterrestrial Intelligence, a San Francisco nonprofit research and educational organization dedicated to transmitting intentional signals to nearby stars. He has said that while there may be some problems for religion when intelligent aliens are discovered, they may not be as large as some people think.

Seth Shostak is the senior astronomer at the SETI Institute in Mountain View, Calif. He is often the public face of SETI — and therefore the public face of the scientific search for intelligent life beyond our solar system. He is the author of Confessions of an Alien Hunter: A Scientist’s Search for Extraterrestrial Intelligence.