Wendy Wagner is the Joe A. Worsham Centennial Professor at the University of Texas School of Law in Austin, Texas. She received a master's degree in environmental studies from the Yale School of Forestry and Environmental Studies, a law degree from Yale Law School, and clerked for the Honorable Judge Albert Engel, Chief Judge of the U.S. Court of Appeals for the 6th Circuit. Before entering academia, Wagner served as an honors attorney with the Environmental Enforcement section of the Environment and Natural Resources Division of the U.S. Department of Justice in Washington D.C. and as the Pollution Control Coordinator in the Office of General Counsel, U.S. Department of Agriculture. Wagner teaches courses in torts, environmental law, and regulation. Her research focuses on the law-science interface in environmental law and her articles have appeared in numerous journals including the Columbia, Cornell, Duke, Illinois, Texas, Wisconsin, and Yale Law Reviews. She is a member scholar of the Center for Progressive Regulation and chair of its Science Issue Group. Rena Steinzor is the Jacob A. France Research Professor of Law at the University of Maryland School of Law and has a secondary appointment at the University's Medical School. She received her B.A. from the University of Wisconsin and her J.D. from Columbia University. Professor Steinzor joined the faculty in 1994 from the Washington, DC law firm of Spiegel & McDiarmid. Prior to joining the firm, from 1983 to 1987, she was staff counsel to the U.S. House of Representatives' Energy and Commerce Committee Subcommittee with primary jurisdiction over the nation's laws regulating hazardous substances. From 1976 to 1983, Professor Steinzor was an attorney at the Federal Trade Commission serving in a variety of consumer protection positions. She is a founder, as well as a member of the Board and the Executive Committee of the Center for Progressive Reform and the editor of the Center's book, A New Progressive Agenda for Public Health and the Environment. She has written extensively on environmental federalism, alternative designs of regulatory system, and law and science, publishing in the Minnesota Law Review, Harvard Environmental Law Review, Duke Journal of Law & Policy, Yale Journal on Regulation, Environmental Forum, and Environmental Law Review.