Kate Cecys is an International Fellow at the Pew Center on Global Climate Change in the United States. Her work at the Pew Center includes tracking climate-related policy development internationally, researching international policy issues, and facilitating dialogue with governments and stakeholders. Before joining the Pew Center, Ms. Cecys held several positions with the Australian Government Department of Climate Change, representing Australia in United Nations Framework Convention on Climate Change negotiations on scientific, inventory and forestry issues. She was seconded to the Indonesian Government in preparation for their hosting of the Conference of the Parties to the UNFCCC Bali. Ms. Cecys holds a Master of Environmental Law and a Bachelor of Science with honors from The University of Sydney, Australia.

Doug Cogan is Director of Climate Risk Management for RiskMetrics Group, a firm that specializes in analysis of portfolio, governance and accounting risk. His climate team is part of RiskMetrics' Sustainability Solutions.

Mr. Cogan has 25 years of experience as a researcher and advisor to institutional investors, corporations and government agencies. He is the author of several books and many articles on energy and environmental topics, and serves a spokesman for RiskMetrics on environmental, social and governance (ESG) issues.

Mr. Cogan's research on climate change dates back 20 years. In 1992, he wrote The Greenhouse Gambit, one of the first books analyzing the business and investment implication of climate change. In conjunction with the Investor Network on Climate Risk, he has developed the Climate Change Governance Framework to evaluate how large carbon-emitting companies and financial firms are factoring climate change in their business strategies and risk management practices. He is the author of a series of reports on Corporate Governance and Climate Change, profiling widely held corporations in more than 10 industry sectors. He is also the co-author of the 2007 Carbon Disclosure Project Report on S&P500 companies and the 2009 CDP Electric Utility sector report.

Mr. Cogan is a graduate of Williams College, where he graduated cum laude and received highest honors in political economics. Contact: doug.cogan@riskmetrics.com.

Stephen L. Kass is a partner and founder/co-director of the Environmental Practice Group at Carter Ledyard & Milburn LLP in New York. Prior to joining Carter Ledyard & Milburn, he was a founding partner of Berle, Kass & Case, a firm specializing in environmental law from the field's inception in the 1970s. He received his B.A. magna cum laude from Yale in 1961 and his L.L.B. cum laude from Harvard in 1964 and is currently an Adjunct Professor at Brooklyn Law School, where he teaches courses on ÒInternational Environmental LawÓ and ÒClimate Change, Economic Development and Human Rights.Ó Mr. Kass has published numerous articles in the environmental field and has written a regular column on ÒEnvironmental LawÓ for the New York Law Journal since 1986. Mr. Kass served on the Board of Directors of Human Rights Watch from 1985-2005 (Chair, Policy Committee; Chair, Americas Advisory Committee) and is a member of the Council on Foreign Relations; the Americas Society; the Association of the Bar of the City of New York (former Vice President and past Chair of the Association's Committees on International Environmental Law, Inter-American Affairs, Council on International Affairs, Consumer Affairs, Social Welfare Law and its Special Task Force on Downtown Redevelopment; current Chair, Committee on International Human Rights). He is a member of the New York State Bar Association and the American Bar Association and since 1986 has served on, and for 10 years chaired, the Board of Directors of the National Center for Law and Economic Justice.

Nathaniel Keohane is Director of Economic Policy and Analysis at Environmental Defense Fund, a leading nonprofit environmental advocacy organization based in New York. Dr. Keohane oversees EDF's analytical work on the economics of climate policy, and helps to develop and advocate the organization's policy positions on global warming. His academic research has focused on the design and performance of market-based environmental policies. Dr. Keohane has published articles in academic journals including the Journal of Public Economics, the RAND Journal of Economics, the Review of Environmental Economics and Policy, the Harvard Environmental Law Review, and the Journal of Environmental Economics and Managemen. Dr. Keohane is also the co-author of Markets and the Environment (Island Press, 2007), and co-editor of Economics of Environmental Law (Edward Elgar, forthcoming). From 2001 to 2007 he was an Assistant and then Associate Professor of Economics at the Yale School of Management. Dr. Keohane received his Ph.D. from Harvard University in 2001, and his B.A. from Yale College in 1993. He lives in New York City with his wife and two daughters.