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University Governance/Committee Members/Members/Professor Sir Alexander Halliday

Professor Sir Alexander Halliday

Professor Sir Alexander Halliday

Position(s):
External member of Council
Email:
 
Association(s):
 
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Central committee memberships Membership type Term end
​Committee on Benefactions and External and Legal Affairs ​Class (2) - Members of the Council ​​31 December 2026
​University Council Class (e) - External members
30 June 2027
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About this member:
​Alex Halliday is a Professor of Earth and Environmental Sciences at Columbia University, New York, and was Director of the Earth Institute and Founding Dean of the Climate School from 2018 to 2023. He joined Columbia after spending more than a decade at the University of Oxford (2004-2018), during which time he was Head of the Division of Mathematical, Physical and Life Sciences, and Vice President for Physical Sciences at the Royal Society.  His research is in geochemistry and he is known for developments in mass spectrometry and determining small isotopic variations to shed light on the birth and early development of the Solar System, the interior workings of the Earth, and the processes that affect Earth’s surface environment. He is a graduate of the University of Newcastle-upon-Tyne, and before Oxford, held academic positions at the Scottish Universities Research and Reactor Centre, the University of Michigan, and ETH Zürich. He has played a number of advisory roles, including with the Natural Environment Research Council, London’s Natural History Museum, the American Geophysical Union, the Max-Plank Society, and for the Stern Review of the REF. ​