Daniel Baker is Director of the Laboratory for Atmospheric and Space Physics and distinguished professor of planetary and space physics at the University of Colorado Boulder. He studies plasma and energetic-particle phenomena in planetary magnetospheres and in Earth's vicinity. He has published over 800 peer-reviewed articles and was the editor of nine books on space physics. He is a member of the U.S. National Academies and lead investigator on several NASA missions. He was awarded the American Geophysical Union’s William Bowie Medal (2018) and the Hannes Alfvén Medal of the European Geosciences Union (2019).