Peter Frumkin is professor of social policy, faculty director of the Center for High Impact Philanthropy, and director of the nonprofit leadership program at University of Pennsylvania.He is the author of On Being Nonprofit: A Conceptual and Policy Primer (Harvard University Press, 2005).

Rikki Abzug is a professor of management at Anisfield School of Business at Ramapo College in New Jersey.

Richard Pomp is a law professor at the University of Connecticut and a tax expert.

J. Bryan Hehir is the Parker Gilbert Montgomery Professor of the Practice of Religion and Public Life at the Hauser Center for Nonprofit Organizations at Harvard University’s John F. Kennedy School of Government. He is an expert on religion and American society.

William Mumma is president and general counsel of the Becket Fund for Religious Liberty. Organization officials have said preachers should be free to say whatever they want without threatening their churches’ tax-exempt status.

Focus on the Family is a conservative group that supports churches’ right to campaign. The founder of this organization is James C. Dobson who was also former chairman and president.

Rabbi Daniel Lapin is a prominent Washington-based rabbi who supported the Houses of Worship Free Speech Restoration Act of 2005.

Bill Aiken is director of public affairs for Soka Gakkai International-USA, an American Buddhist association based in Santa Monica, California, that opposed the “Houses of Worship Free Speech Restoration Act of 2005.”

The American Center for Law and Justice is a politically conservative, Christian-based legal organization in the United States. It is headquartered in Washington, D.C., and associated with Regent University School of Law in Virginia Beach, Virginia.