Raymond S. Bradley did his graduate work at the Institute of Arctic and Alpine Research, University of Colorado, Boulder. His research interests are in climatology and paleoclimatology, with a particular focus on the Holocene (the last 12,000 years). He has written or edited eleven books on climatic change, and authored more than 120 articles on the topic. His main field research area is in the Canadian High Arctic. He is a Fellow of the American Geophysical Union, the Arctic Institute of North America and the Royal Meteorological Society. In 2003, he received a D.Sc from Southampton University, England for his contributions to paleoclimatology.Ray Bradley has been an advisor to various government and international agencies, including the U.S., Swiss, Swedish, German and U.K. National Science Foundations, The National Oceanic and Atmospheric Administration, the National Research Council, the Inter-Governmental Panel on Climate Change (IPCC), the US-Russia Working Group on Environmental Protection, and the International Geosphere-Biosphere Program (IGBP). He was particularly active in PAGES -- the IGBP program on "Past Global Changes", where he chaired the Scientific Steering Committee.