Jay P. Greene is endowed chair and head of the department of education reform at the University of Arkansas and is a senior fellow at the Manhattan Institute for Policy Research, a nonprofit public policy institute in New York.

James G. Dwyer is a law professor at the College of William and Mary in Williamsburg, Va. He has worked on issues such as school choice, family law and children’s rights.

Lawrence Kenny, an economist with the University of Florida at Gainesville, has analyzed the results of studies on vouchers. He argues that other states may have more success with voucher programs despite the Florida ruling and that support builds as people become more comfortable with vouchers.

Thomas Pedroni is an assistant professor in the department of teacher development and educational studies at Oakland University in Rochester, Mich. He has studied the involvement of African-American and Latino parents in supporting voucher programs.

Amy Hanauer is executive director of Policy Matters Ohio, a nonprofit group in Cleveland that studies public policy issues related to economics.

Martin Carnoy is a professor of education and economics at Stanford University.

Steven K. Green is a law professor at Willamette University in Salem, Oregon. He has written law review articles about the church-state issues that voucher programs raise and has filed amicus briefs in both the Florida and Cleveland school voucher cases.

Bruce Fuller is a professor of education and public policy and education at the University of California at Berkeley. He has studied decentralization in public education, including the development of charter schools and voucher programs. He also is co-director of Policy Analysis for California Education, an independent research center on education policy.

Alex Molnar is a professor of educational leadership and policy studies at Arizona State University and director of the school’s Education Policy Studies Laboratory.