Dr. Margaret Race is an ecologist currently working with NASA through the Search for Extraterrestrial Intelligence (SETI) Institute. Dr. Race’s research interests focus on environmental impacts, legal and policy issues, and risk communication related to solar system exploration and the search for extraterrestrial life. She is also a research affiliate with the Energy and Resources Group at University of California at Berkeley. She is currently serving on the NRC Committee on Preventing the Forward Contamination of Mars and has previously served on four other committees, including the Task Group on Sample Return from Small Solar System Bodies and the Study on Transportation and a Sustainable Environment. Dr. Race received her doctorate in zoology from UC Berkeley. She is nominated to the committee for her direct connection to related activities in the NRC’s Space Studies Board and her expertise in astrobiological issues surrounding solar system exploration and potential parallels to the challenges faced in this study.

Dr. Warwick F. Vincent is a professor of biology and holds the Canada research chair in aquatic ecosystem studies at Laval University in Quebec City, Canada, where he has been in a faculty position since 1990. He has conducted ecological research on lakes, rivers, and coastal oceans in several parts of the world, including the subtropical convergence (South Pacific), Lake Titicaca (Peru-Bolivia), Lake Biwa (Japan), and the St. Lawrence River. Most of Dr. Vincent’s research has focused on the polar regions, with his first expedition to Antarctica in 1979. Working with the National Science Foundation and Antarctica New Zealand, he played an early role in the environmental protection of the McMurdo Dry Valleys of Antarctica. He is a contributing author to the Arctic Climate Impact Assessment, is subprogram leader (microbial ecology) within the Canada Arctic Shelf Exchange Study, and leads freshwater-terrestrial components of the research network ArcticNet. He is the past president of Canada’s National Antarctic Committee. Dr. Vincent received his doctorate in ecology from the University of California at Davis. His expertise in environmental protection policy and stewardship and specifically his knowledge of cold regions’ microbial ecology are particularly relevant to this study.

Dr. David Walton is a professor at the British Antarctic Survey (BAS), where he headed the Environment and Information Division from 1999 to 2006. He was responsible for all environmental management and conservation activities, mapping, databases, and information management, as well as establishing the Artists & Writers Programme. He joined BAS in 1967 as a research scientist and worked on a range of ecological projects until 1986. He established the new Terrestrial & Freshwater Life Sciences Division in 1986 and ran it until re-organization in 1998 led to his establishing the new division on Environment and Information (EID). Primarily as an ecologist, Dr. Walton has made seventeen Antarctic visits. He has served as chair of the SCAR Group of Specialists on Environmental Affairs and Conservation from 1992 and then as chair of the SCAR Antarctic Treaty Standing Committee from 2002. As Head of the SCAR Delegation to Antarctic Treaty Consultative Meetings since 1992 he has gained considerable experience of linking science and policy at an international level. He was awarded the first SCAR Medal for International Scientific Co-ordination in 2006. He is Editor in Chief of the international journal Antarctic Science which he established 18 years ago. Dr. Walton received his doctorate in ecology in 1974 from Birmingham University in the UK. He is familiar with the Antarctic Treaty System and environmental protection and stewardship in general.

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