|Dame Georgina Mace
|Born||Georgina Mary Mace
12 July 1953 
|Known for||Developing the criteria for listing species in the IUCN Red List|
|Spouse(s)||Roderick O. Evans|
|Children||one son, two daughters|
|Thesis||The evolutionary ecology of small mammals (1979)|
|Doctoral advisor||Paul H. Harvey|
Dame Georgina Mary Mace, DBE, FRS (born 12 July 1953) is a British ecologist and conservation scientist. She is Professor of Biodiversity and Ecosystems at University College London. She was previously Professor of Conservation Science and Director of the Natural Environment Research Council (NERC) Centre for Population Biology, Imperial College London (2006–2012) and was Director of Science at the Zoological Society of London (2000–2006).
Mace was educated at the University of Liverpool where she was awarded a Bachelor of Science degree in 1976. She was awarded a PhD on the evolutionary ecology of small mammals in 1979 from the University of Sussex for research supervised by Paul H. Harvey.
Research and career
Her research interests are in measuring the trends and consequences of biodiversity loss and ecosystem change. She started her career at the Smithsonian Institution to study the impact on inbreeding in zoological collections. Mace continued this work and further researched captive population ecology by studying population viability in zoos. Mace commented that "It was exciting to make quantitative scientific contributions to conservation"
She has been President of the British Ecological Society, President of the Society for Conservation Biology, a member of the Science Committee of Diversitas. Mace was editor of the Philosophical Transactions of the Royal Society (Series B, Biological Sciences) from 2008 to 2010.
In 2000, Mace became Director of Science at the Institute of Zoology in London, during this time, Professor Mace was instrumental in developing the criteria for listing species in the IUCN Red List, the most comprehensive inventory on the conservation status of the world's species species conservation contributing to the maintenance of global biodiversity and managed by IUCN. Prior to these changes, the Red List was based on nominations from experts rather than data, the changes instigation by Mace and her colleagues took 10 years to be implemented by the IUCN. Many Regional Red List publications are now increasingly based on the same criteria. Since 2002 she and her colleagues have worked to establish methods for evaluating biodiversity and the ecosystem services it provides, and changes in biodiversity that have been provisionally measured by the Red List Index.
Mace was also actively involved in the biodiversity sections of the "Millennium Ecosystem Assessment" which was conducted from 2002 through 2005. Mace continues to work in the field of conservation biology and states that "all the evidence to date is that when societies put their mind to solving a problem, they can generally do it."
In 2006, Mace became director of the Natural Environment Research Council's Centre for Population Biology at Imperial College London. Since 2012 Mace has been the Director of the Centre for Biodiversity and Environment Research (CBER) at University College London. She is also an Academic Editor of PLOS Biology, the open access online journal and supports open-access policy to scientific publications.
Honours and awards
Mace was appointed Officer of the Order of the British Empire (OBE) in 1998, Commander of the Order of the British Empire (CBE) in 2007 for services to environmental science, and Dame Commander of the Order of the British Empire (DBE) in the 2016 New Year Honours for services to science.
Mace was elected a Fellow of the Royal Society (FRS) in 2002. In July 2007 she was awarded an Honorary Doctor of Science degree by the University of Sussex for her work on biodiversity. She was the winner of the 2007 International Cosmos Prize. In 2016 Mace won the Dr A.H. Heineken Prize for Environmental Sciences. In 2016 she was also awarded, jointly with Sandra Knapp, the Linnean Medal of the Linnean Society 
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- Mace, Georgina M. (2010). "Comments from the departing Editor". Philosophical Transactions of the Royal Society B. 366 (1561): 3–4. doi:10.1098/rstb.2010.0305.
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