Juliane Hammer is an associate professor of Islamic studies at the University of North Carolina. Her research interests include American Muslims, marriage and family, women’s rights and food. She is the author of Peaceful Families:American Muslim Efforts against Domestic Violence.

Matthew E. Boxer is an assistant research professor of modern Jewish studies at Brandeis University, where he studies American Jewish life and identity.

The Most Rev. Justin Welby is the archbishop of Canterbury, head of the Church of England. He has engaged a number of social issues since being installed in this role in March 2013, including poverty, climate change and medically assisted suicide.

Liat Ayalon is deputy director of the school of social work at Bar-Ilan University in Israel, where she specializes in aging. She is also a member of the Bioethics Advisory Committee of the Israel Academy of Sciences and Humanities.

Charlie Camosy is an associate professor of theology at Fordham University. He writes regularly on abortion rights, medically assisted suicide and other political issues, including paid family leave. 

Conrad Hackett is Pew Research Center’s associate director of research and senior demographer. Contact him through Anna Schiller.

Daniel Cox is director of the Survey Center on American Life and a senior fellow in polling and public opinion with American Enterprise Institute. He previously served as research director for Public Religion Research Institute.

The Rev. Mark Holland is executive director of Mainstream UMC, an organization that’s advocating for the United Methodist Church to allow individual pastors and churches to decide whether to participate in same-sex weddings.