Jason Tippetts is the widower of Kara Tippetts, who became a high-profile opponent of medically assisted suicide during her battle with cancer. He is the lead pastor of Westside Church in Colorado Springs, Colo. Contact him through this online form.

The Rev. Paul Smith is a pastor, civil rights activist and patient advocate. He serves on the board of advisers for Compassion & Choices, which seeks to increase access to medically assisted suicide. He is the author of Facing Death: The Deep Calling to the Deep.

Daniel Sinclair is a visiting law professor and fellow with the Institute on Religion, Law and Lawyer’s Work at Fordham University. He is an expert on Jewish biomedical law.

Madison Shockley is the pastor of Pilgrim United Church of Christ in Carlsbad, Calif. He serves on Compassion and Choices’ Strategic Impact Committee, advocating for access to a full range of end-of-life care options.

The Rev. Rosemary Lloyd is the adviser to faith communities for The Conversation Project, an organization that promotes and facilitates conversations on end-of-life care. She is an ordained Unitarian Universalist minister and longtime hospice volunteer.

Heidemarie Winkel is a professor of sociology at Bielefeld University in Germany. She’s also a senior research associate with the Von Hugel Institute for Critical Catholic Inquiry at the University of Cambridge.

Katja Rakow is an assistant professor of religious studies at Utrecht University in the Netherlands. She studies Christian megachurches in the United States and Singapore and contemporary Pentecostalism more broadly.

Davis Voas is a professor of social science at University College London, where he studies religious change.  He helps lead the European Values Survey and British Religion in Numbers project.