Dame Julia Mary Slingo is a British meteorologist and climate scientist. She was Chief Scientist at the Met Office from 2009 until 2016. She is also a Visiting Professor in the Department of Meteorology at the University of Reading, where she held, prior to appointment to the Met Office, the positions of Director of Climate Research in the Natural Environment Research Council (NERC) National Centre for Atmospheric Science and founding Director of the Walker Institute for Climate System Research.