Mark Silk is a professor of religion in public life at Trinity College (Hartford, Connecticut), where he directs the Leonard E. Greenberg Center for the Study of Religion in Public Life and serves as editor of Religion in the News. He was born in Cambridge, Massachusetts in 1950 and graduated from Harvard College in 1972. In 1982 he earned a Ph.D. in medieval history from Harvard. He was editor of the Boston Review from 1985 to 1986, and worked as a reporter, editorial writer, and columnist for the Atlanta Journal-Constitution
Silk is the author of Spiritual Politics: Religion and America Since World War II and Unsecular Media: Making News of Religion in America and co-editor of Religion by Region, an eight-volume series on religion and public life in the United States, With Andrew Walsh he wrote the series summary volume, One Nation Divisible: How Regional Religious Differences Shape American Politics, published in hardcover in 2008 and in an undated paperback edition in 2011.
In the 1980s and 1990s Silk was a regular contributor to the New York Times, contributing essays and book reviews on feminist theology, new religious movements, Jewish identity, and other religion-related topics.  In 1984 he traced the use of "Judeo-Christian" in American culture. In 1995 he argued that the American news media approach religion with certain Western religious preconceptions that do not always do justice to the varieties of religious belief and behavior. In 2005, he traced the history of the idea of civil religion through changing views of the figure of Numa Pompilius, the second king of Rome. Since 2007 Silk has blogged about religion in public life at Spiritual Politics.
- Religion in the News Current Staff Archived 2011-09-27 at the Wayback Machine.
- Front-page Religion, New York Times, 1988-4-3
- Is God a feminist?, New York Times, 1982-4-11
- Outsiders welcome, New York Times, 1989-6-18
- Styles of Jewish Identity, New York Times, 1998-5-7
- , "Notes on the Judeo-Christian Tradition in America," American Quarterly 36(1), 65-85.
- Silk, Mark (1995). Unsecular Media: Making News of Religion in America. University of Illinois Press. pp. 91–106. ISBN 0-252-06742-8.
- “Numa Pompilius and the Idea of Civil Religion in the West,” Journal of the American Academy of Religion 72, no. 4 (December 2004), 863-96.