Lisa Graumlich is dean emeritus of the College of the Environment at the University of Washington. She has devoted her career to studying the causes and impacts of climate change, with a special focus on using paleoecological records such as tree-rings to understand the magnitude of human impacts. She is passionate about science communication, and she speaks frequently on climate change impacts and adaptation. She has testified on long-term climate variability before the U.S. House of Representatives Select Committee on Energy Independence and Global Warming and is the president-elect of the American Geophysical Union as of January 1, 2021.