Diane M. McKnight began her career with the U.S. Geological Survey and is now a Professor in the Department of Civil, Environmental and Architectural Engineering and a Fellow of the Institute of Arctic and Alpine Research at the University of Colorado. Her research focuses on the coupling of hydrology, aquatic ecology and water quality. She studies streams, lakes and wetlands in diverse regions, including polar desert streams in Antarctica, acid-mine drainage streams and alpine lakes in the Rocky Mountains and wetlands in Botswana and Bangladesh. She has been President of the American Society of Limnology and Oceanography, editor of Journal of Geophysical Research-Biogeosciences and has served on numerous committees for the National Research Council. She is a fellow of AGU and AAAS, a member of the National Academy of Engineering and received the Horton Medal from AGU and the John Dalton Award from the European Geophysical Union. From 2015-2018, she served as a program officer with the Arctic Program at NSF. She was the 2019-2020 Association of Environmental Engineering and Science Professors Distinguished Lecturer and is currently the Chair of the Executive Board of the Long Term Ecological Research Network.