Casper ter Kuile is a ministry innovation fellow at Harvard Divinity School. He studies innovation within secular and sacred communities and co-authored “How We Gather,” a report on where millennials find belonging. He’s also co-host of the podcast “Harry Potter and the Sacred Text.”

Helen A. Berger is a sociologist at Brandeis University. She studies gender and new religions, with a focus on paganism and witchcraft.

Simone Bloom Nathan is the author of Eight Candles and a Tree, a children’s book for interfaith families.

Craig Story is a professor of biology at Gordon College, where he also directs the Pastors and Science Project.

Megan Powell Cuzzolino is a doctoral student at the Harvard Graduate School of Education and a former science teacher. Her graduate research centers on potential clashes between scientific and religious knowledge.

Ying Chen is a research scientist with the Human Flourishing Program at Harvard University. She was the lead author of a 2018 study about the relationship between religious and spiritual practices in childhood and adult health outcomes.

Meredith Lewis is director of content and engagement at PJ Library, a program that provides free books on Jewish practices and holidays to kids each month. She can be contacted through Shannon Craig Straw.

The Rev. Cheryl V. Minor is director of the Center for the Theology of Childhood at the Godly Play Foundation, which trains congregations on childhood spiritual formation. She also serves as co-rector of All Saints’ Church in Belmont, Mass.

Livia Kohn is a professor of religion and East Asian studies at Boston University. She researches Daoism and Chinese life extension techniques.