Louis Francis Cristillo is research assistant professor of education at Columbia University. He was the principal investigator on a three-year study of the experiences of Muslim teenagers in New York City public schools; see an article.

Michael Ramos is executive director of the Church Council of Greater Seattle. He has helped organize a New Sanctuary network in that area.

The Rev. Mark Knutson is senior pastor of Augustana Lutheran Church in Portland, Ore. His church is one of two in the city involved in the New Sanctuary Movement. He has said his congregation would house an immigrant if the person needed sanctuary.

The Rev. Wiley Drake is pastor of First Southern Baptist Church in Buena Park, Calif. He has been critical of groups that support illegal immigrants.

Rabbi Laurie Coskey is based in San Diego, Calif., and is executive director of the Interfaith Committee for Worker Justice. Coskey is also a member of the steering committee of the New Sanctuary Movement.

The Rev. Liana Rowe is a United Church of Christ minister and an organizer with Interfaith Worker Justice in Phoenix, Ariz. She is a longtime immigrant rights activist and coordinates a New Sanctuary Movement network across the state.

Alberto Rodriguez is the founder of You Don’t Speak For Me!, a grass-roots collective of Latino activists who oppose illegal immigration. He has spoken against illegal immigrants and those who support them. He lives in Scottsdale, Ariz.

John Wozniak is a professor and chairman of the sociology department at Western Illinois University in Macomb. He is president of the Justice Studies Association, where the 2009 annual conference focused on “Immigration, Sanctuary, Worlds Without Borders.”

Rosanna Pulido is the founder and leader of the Chicago and Illinois chapters of the Minuteman Project. She has spoken against Chicago churches that have sheltered illegal immigrants.