PhD Geography University of Minnesota, 1990. Centennial Professor of Geography and the Environment at the University of Texas at Austin 2014- present; Chair, Geography and the Environment UT Austin 2014-2018; President, American Association of Geographers 2018-19, (Past President 2019-present); AAAS Fellow; AAG Fellow; Professor of Geography and Geoinformation Science, George Mason University 1993-2014; Associate Provost for General Education, George Mason University 2000-2003. Research areas include physical geography, hydrology and geomorphology, water chemistry, geoarchaeology, geostatistics, and gender, science and human rights, with field research in Mesoamerica, California, the Mediterranean and Near East, Peru, and Iceland.
AAAS Fellow; AAG Fellow; GK Gilbert Geomorphology Award-AAG