Michael F. Wehner is a senior scientist in the Applied Mathematics and Computational Research Division at the Lawrence Berkeley National Laboratory. Dr. Wehner’s current research concerns the behavior of extreme weather events in a changing climate, especially heat waves, intense precipitation, drought and tropical cyclones. Before joining the Berkeley Lab in 2002, Wehner was an analyst at the Lawrence Livermore National Laboratory in the Program for Climate Modeling Diagnosis and Intercomparison. He is the author or co-author of over 250 scientific papers and reports. He was a lead author for the 2013 Fifth and 2021 Sixth Assessment Report of the Intergovernmental Panel on Climate Change and the 2nd, 3rd, and 4th U.S. National Climate Assessments. He is currently a lead author on the Fifth U.S. National Climate Assessment. He received the 2022 LBNL Director's Award for Exceptional Scientific Achievement and was named a Clarivate Highly Cited Researcher in 2020, 2021 and 2022. Dr. Wehner earned his master’s degree and Ph.D. in nuclear engineering from the University of Wisconsin-Madison, and his bachelor’s degree in Physics from the University of Delaware.