David Clark is a professor of medical sociology at the University of Glasgow, where he leads the Glasgow End of Life Studies Group. He is also a vice president for Hospice UK and assisted the Scottish government as it drafted its framework for palliative and end of life care.

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.

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.

Peg Sandeen is executive director of Death with Dignity, an organization that works to increase access to medically assisted suicide. She was previously executive director of the AIDS Project of Central Iowa.

Dr. Imran Qureshi is board president for the Islamic Medical Association of North America. He is a radiologist.

Mario Dickerson is the executive director of the Catholic Medical Association. He previously served as a chaplain’s assistant at the National Naval Medical Center.

Farr Curlin is a professor of medical humanities at Duke Divinity School. He’s also a hospice and palliative care physician. Curlin studies the role religion plays in a doctor’s clinical decisions and the relationship between religion and medicine more broadly.