Dr. Mosher's expertise is in structural geology, structural petrology, and tectonics. Since 2014 she has spearheaded National Science Foundation sponsored initiatives on the Future of Geoscience Undergraduate and Graduate Education. Mosher is a past President of the American Geoscience Institute and Geological Society of America and past Chair of the Council of Scientific Society Presidents. She is a founder and past Chair of the Board for GeoScienceWorld, an international journal aggregation for geoscientists. She was awarded the 2020 Marcus Milling Legendary Geoscientist Medal by American Geoscience Institute, the 2016 College of Liberal Arts and Sciences Alumni Achievement Award from the University of Illinois at Champaign/Urbana, and the 1990 Association of Women Geologists Outstanding Educator Award. She is a fellow of the Geological Society of America, receiving the Distinguished Service Award in 2003 and an honorary fellow of the Geological Society of London.