Henri Grissino-Mayer

Full Professor of Geography
University of Tennessee, Knoxville


Henri D. Grissino-Mayer is a James R. Cox Professor in the Department of Geography at the University of Tennessee, Knoxville and Director of the Laboratory of Tree-Ring Science. He studies ecosystem disturbance processes and uses dendrochronology, the science of tree rings, to learn how environments have changed over time. His research concentrates on using tree-ring data to analyze the history of wildfires, the history of past climate, and the dating of historic structures and objects. He has given nearly 500 professional presentations and invited talks and published over 130 peer-reviewed papers. In recent months, Dr. Grissino-Mayer has been sought after for interviews, news stories, and documentaries about the Gatlinburg firestorm, which he had long predicted based on his and his colleagues’ research on fire history.


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