Scott C. Idleman is a law professor at Marquette University in Milwaukee. He specializes in church-state issues, including religious freedom and land use questions.

David Goldberger is a law professor emeritus at Ohio State University and was an attorney in a Supreme Court case involving RLUIPA.

Thomas R. McCoy is a professor of law emeritus at Vanderbilt University in Nashville, Tenn. He retired from the university in 2008 but continues to speak frequently on First Amendment issues and advises the Freedom Forum’s First Amendment Center.

Bryan K. Fair is a professor at the University of Alabama School of Law, where his specialties include the First Amendment.

John W. Whitehead is president and founder of the Rutherford Institute, a nonprofit organization in Charlottesville, Va., that works to advance religious freedom through litigation, education and advocacy. Although the institute has a Christian doctrinal statement, its services are not limited to Christians.

Mathew D. Staver is founder and chairman of the Liberty Counsel, a civil liberties education and legal defense organization in Orlando, Fla., that focuses on freedom of speech and religious freedom.

Richard Schragger is a law professor at the University of Virginia and an expert in land use issues.

Ira “Chip” Lupu is F. Elwood and Eleanor Davis Professor of Law at the George Washington University Law School and a church-state expert who writes frequently about the faith-based initiative. In a January 2009 Q-and-A with the Pew Forum on Religion & Public Life, Lupu said that the trend has been toward greater church-state partnerships.

Charles C. Haynes is the founding director of the Religious Freedom Center at the Freedom Forum Institute. He writes and speaks extensively on religious freedom and faith in public life, specializing in church-state conflict related to public schools.