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Philip Bergmann
My research takes an integrative approach to studying the evolution and diversification of functional morphological systems. I am particularly interested in how form (phenotype) and function are related, and how these relationships are context-dependent in terms of habitat use and biotic interactions. Much recent work indicates that these relationships are complex, and understanding them is…
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Mark Davidson
Mark Davidson is an urban geographer with an international reputation for his research on gentrification, urban theory, municipal finance, and urban sustainability. He has published in high-impact social science journals and published edited collections with SUNY Press and Sage. He has received research funding from the National Science Foundation and the International Olympic Committee. Prior to joining Clark University,…
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Robert Johnston
Dr. Johnston received a B.A. from Williams College in 1990 and a Ph.D. from the University of Rhode Island in 1996. He has been at Clark since 2008. He is Director of the George Perkins Marsh Institute and Professor of Economics. Professor Johnston’s research interests include economic valuation, human-natural interactions and behaviors, benefit transfer and…
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Christopher Williams
Dr. Williams is a professor of earth system science within Clark’s School of Geography, former director of the environmental sciences program at Clark, and current, interim director of the George Perkins Marsh Institute. His expertise is in terrestrial ecosystems, global environmental change, and climate change. He and his team engage in foundational research science on…
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James McCarthy
Professor James McCarthy earned a B.A. in English and Environmental Studies from Dartmouth College and an M.A. and Ph.D. in Geography from the University of California, Berkeley. Prior to joining the Graduate School of Geography in 2011, he was an Assistant and Associate Professor of Geography at Penn State University (2000-2011). Professor McCarthy’s areas of…
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Karen Frey
Dr. Karen Frey is a professor of earth system science in the Graduate School of Geography. Her research interests involve the combined use of field measurements, satellite remote sensing, and geospatial analytics to study large-scale linkages between land, atmosphere, ocean, and ice in polar environments. Over the past 25 years, she has conducted field-based research…












