Susan Solomon has been a professor at the Massachusetts Institute of Technology since 2012, where she teaches classes on environmental science and policy. Prior to that, she was a scientist at National Oceanic and Atmospheric Administration in Boulder, Colorado and an adjunct professor at the University of Colorado from 1982-2011. She is well known for pioneering work that explained why there is a hole in the Antarctic ozone layer. She is also the author of several influential scientific papers in climate science, including the understanding of how the ozone hole influences southern hemisphere climate. She has received the 1999 US National Medal of Science (the highest scientific award in the United States), the Grande Medaille (the highest award of the French Academy of Sciences), and the Crafoord Prize of the Swedish Academy of Sciences. She is a member of the National Academy of Sciences, the French Academy of Sciences, the Royal Society in the UK, and the Science and Security Board of the Bulletin of the Atomic Scientists.