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J. Michael Athay
M.Sc. Environmental Policy and Regulation, The London School of Economics and Political Science (UK)
B.A. French Studies, Brigham Young University
Research Interests: human-environment and nature-society relationships; economic and development geographies; sustainability; political and industrial ecologies; global-south perspectives; critical theories; environmental philosophies, ethics, and justice.
Adviser: Yuko Aoyama

Arman Bajracharya
B.S. Ecology and Field Biology, St. Cloud State University
Research Interests: Studying the impacts of urbanization on the fragmentation of vegetative land.
Adviser: Karen Frey

Thomas Bilintoh
M.Sc. In Geography, Michigan State University
B.Sc. in Engineering, University of Mines and Technology, Tarkwa, Ghana.
Research interests: GIS, Remote Sensing, Spatial Analysis, Spatial Cognition and Uncertainty in spatial data.
Adviser: Robert Pontius

Melissa Bollman
M.A. Energy and Environmental Policy, University of Delaware
B.A. Philosophy and Environmental Policy/Science, McDaniel College, Maryland
Research Interests: Nature-Society relationships, political ecology, energy and environmental policy, renewable energy.
Adviser: James McCarthy

Andrea Cabrera Roa
M.Sc. Environmental Science and Policy, Clark University
B.A. Anthropology, Pontifical Catholic University of Peru, Lima, Peru
Research interests: Human-Nature relationships, political ecology, environmental governance, socio-environmental conflicts, socio-ecological vulnerability, indigeneity in the Peruvian amazon.
Adviser: Anthony Bebbington

Michael Cecil
M.S. Geographic Information Science for Development and Environment (GISDE), Clark University
M.S. Mathematics, University of Washington
B.A. Mathematics and International Relations, Brown University
Research Interests: Applications of GIS and land change modeling to climate change science and climate change policy, risk analysis and vulnerability analysis, participatory GIS.
Adviser: Lyndon Estes

Jacob Chamberlain
M.A. Postcolonial Culture and Global Policy, Goldsmiths College, University of London
B.A. Philosophy, University of Southern Maine
Research Interests: Migration and border studies, political theory, critical theory, continental philosophy, post/decolonial studies, urban-economic geography.
Adviser: Mark Davidson

Mwangi Chege
M.A., International Relations and Economics, Johns Hopkins University – School of Advanced International Studies, Washington DC
B.A., Geography, University of South Africa, Pretoria
Research Interests: urban geography; economic development in developing countries; environmental sustainability; urbanization, health and wellbeing; African cities.
Adviser: James Murphy

William Cruice
MSc. Urban and Economic Geography, Utrecht University
B.A. Economics and Geography, Utrecht University
Research Interests: political economy, science and technology studies, historical materialism, critical realism, state theory, industrial policy, housing, infrastructure, energy, utopia, crisis.
Adviser: James McCarthy

Janae Davis
M.A. Geography, University of South Carolina
B.A. Sociology (Anthropology Concentration), North Carolina State University
Research Interests: Natural resources and disadvantaged groups, linking political ecology and environmental justice frameworks, applications of Global South issues and natural resource management strategies to the Global North, participatory management, participatory action research, ethnographic methods.
Adviser: Edward Carr

Maria del Pilar Delpino Marimon
Master in Regional Planning (MRP), Cornell University
B.A. in Geography, Pontifical Catholic University of Peru
Research Interests: Informality, devolution, marginalization, regionalization processes, cross-border governance, social coalitions, rural development, environmental governance, Latin America.
Adviser: Anthony Bebbington

Amy Dundon
M.A. Urban Affairs, University of San Francisco
B.S. Philosophy, Northeastern University
Research Interests: urban geography; race and racism; work and labor; social movements; access, belonging, and citizenship; higher education.
Adviser: Asha Best

Hillol Dutta
M.Sc. in Forestry, Institute of Forestry and Environmental Sciences, University of Chittagong, Bangladesh
B.Sc. in Forestry, Institute of Forestry and Environmental Sciences, University of Chittagong, Bangladesh.
Research Interests: Human-environment interaction, Vulnerability Science, Urban vulnerability, Climate Change, GIS.
Adviser: Karen Frey

Azadeh H. Esfahani
M.A. Geography, Clark University
M.A. Urban Studies, Simon Fraser University, Canada
M.B.A. Sharif University, Iran
B.S. Mechanical Engineering, Sharif University, Iran
Research Interests: Place-making and identity building, Social learning and social change processes, Sustainable community and neighborhood development, Community-based urban planning and development, Citizen empowerment and capacity-building.
Adviser: Deborah Martin

Alireza F. Farahani
M.A. Geography, Clark University
M.A. Urban Studies, Simon Fraser University, Canada
M.B.A. Sharif University, Iran
B.S. Mechanical Engineering, Sharif University, Iran
Research Interests: Socio-economic development, Development policy and practice, Developing countries, Middle-east, Economic geography, Learning regions Community development, Social Learning, Pragmatism Philosophy, Realist social theory, Phronetic research, Qualitative methods, action research.
Adviser: Yuko Aoyama

Benjamin Fash
M.A. Geography, Clark University
B.A. Studio Art, Wesleyan University
Research Interests: Environmental governance, social movements, decolonial thought, social theory, socio-ecological transitions, (post-)development, (post-)extractivism, water, Participatory Action Research, socially engaged art, Honduras.
Adviser: Anthony Bebbington

Clare Gaffey
M.A. Geography, University at Albany
B.S. Environmental Science, University at Albany
Research Interests: Remote sensing, unmanned aerial vehicles, arctic systems, cryosphere, climate, phenology.
Adviser: Karen Frey

Patrick Geiger
M.Sc. Geography, George Washington University
B.A. Geography and International Relations, George Washington University
Research Interests: Researching homelessness and public space.
Adviser: Karen Frey

Nicholas Geron
M.S. Ed Education, Leham College CUNY, NY
B.A. Environmental Policy and Analysis and French Literature, Boston University
Research Interests: Use of GIS and Remote Sensing for monitoring land use change and natural resources due to climate change, Urban Ecology and Citizen Science, engaging local communities in Environmental Justice issues.
Adviser: John Rogan

María José Guillén Araya
Bachelor and Licentiate in Political Science, University of Costa Rica
Research Interests: neoliberal conservation, tourism, extractivism, neo-colonialism, political economy.
Adviser: Asha Best

Jackie Guz
B. A. Environmental Studies, Texas A&M University
Research Interests: Forest dynamics, GIS, remote sensing biogeography.
Adviser: Dominik Kulakowski

Marc Healy
B.A. Geography, University of Utah
Research Interests
: Urban Forestry Dynamics and Legacies, Urban Heat Island, Applied GIS and Remote Sensing, Sustainable, Proactive Urban Tree Management Policies.
Adviser: John Rogan

Ashley Hoffman
B.S. in Natural Resource Conservation at University of Massachusetts, Amherst
Research Interests: Forest Ecology, Forest Disturbances, Forest Health.
Adviser: Dominik Kulakowski

Emily Holloway
M.S. Urban Policy and Planning, Hunter College
B.A. Government, Smith College
Research Interests: history and politics of urban industrialization; economic geography; industrial land use policy; neighborhood change.
Adviser(s): Mark Davidson and Asha Best

Karen Hudlet Vazquez
M.S. International Development Studies, Utrecht University, Netherlands
B.S. International Relations, Instituto Tecnologico Autonomo de Mexico, Mexico
Research Interests: Business and human rights, development theory, environmental governance, land use change, access to lands, participatory action research, social-environmental conflicts, social movements, Latin America, especially Mexico and Central America.
Adviser: Anthony Bebbington and James McCarthy

Guy Hydrick
M.Sc. Environmental Science, Policy and Management, Central European University/University of Manchester/Lund University
B.A. Geography and International Studies, Millersville University
Research Interests: Urban Forestry; Water quality/hydrology; Spatial optimization; Political ecology; Environmental Justice; Sustainability; Human dimensions of GIS; Mixed Methods.
Adviser(s): Deborah Martin and John Rogan

Wenjing Jiang
M.A. Geography, Clark University
BEng Urban Planning, Peking University, China
M.A. Urban Planning, University of Illinois
Research Interests: political economy of nature; theory of social change; with special emphasis on property relations, agrarian transformation, urban and regional development, post-socialist/post-communist transitions, and post-disaster recovery planning.
Adviser: James McCarthy

Tong Jiao
M.A. Geography, Clark University
B.S. Geography, Beijing Forest University, China
M.S. Geography, Chinese Academy of Sciences, China
Research Interests: terrestrial ecosystems energy, carbon and water cycles, leaf canopy and carbon absorption over forest areas.
Adviser: Christopher Williams

Sam Khallaghi
M.S. Geomatics Lund University, Sweden
M.S. GIS and RS with focus on land and water resources Tabriz University, Iran
B.S. Forestry Agriculture and Natural Resource University of Gorgan, Iran
Research interests: Spatial databases, Web Mapping, Spatial Ontology, Applications of GIS and Remote Sensing.
Adviser: J. Ronald Eastman

Roopa Krithivasan
M.E.Sc. Environmental Science, Yale University
B.A. Biology, University of Chicago
Research Interests: Land use change, applications of GIS and remote sensing, natural resource management and conflicts, human-wildlife interactions, environmental governance.
Adviser: John Rogan

Madeline Kroot
B.A. Geography and Linguistics, Dartmouth College
Research Interests:  Energy geographies with a particular focus on the political ecology of energy transmission projects in the US North-East, and their implications for just energy transitions.
Adviser: Karen Frey

Richard Kruger
M.A. Geography, Rutgers University
B.A. Geography and Urban Studies, Temple University
Research Interests: Urban political ecology of infrastructure; innovations in urban infrastructures through frameworks of sustainability, resilience, and adaptation and the impacts for urban space and place-making; the politics of urban infrastructures; digital technologies and urban space; comparative urbanism; social theory and new / speculative materialisms.
Adviser: Deborah Martin

Sarah Lerman-Sinkoff
B.A. Geography, Georgia College and State University
B.A. Environmental Science , Georgia College and State University
Research Interests: the social, economic, and ecological legacy of industrial contamination in urban waterways.
Adviser: John Rogan

Mario Machado
M.S. Geography, Penn State University
B.S. Biological Anthropology, Penn State University
Research Interests: Political ecology, small-scale agriculture, social justice, and development.
Adviser: Edward Carr

Helen Rosko
M.S. Geography, University of Tennessee – Knoxville
B.A. Political Science, College of Charleston
Research Interests: rural livelihoods, development geography, climate services, aid and adaptation, vulnerability and resilience, vulnerable populations, information flows, gender and identity.
Adviser: Edward Carr

Inge Salo 
M.A. Geography, University of Cape Town, Cape Town, South Africa
B.A. Anthropology, University of Cape Town, Cape Town, South Africa
Research Interests: South African urbanism, place-making, urban displacement, urban resistance.
Adviser: Asha Best

Sarah SanGiovanni
M.U.P. Urban Planning, The State University of New York at Buffalo
B.A. English, The State University of New York at Binghamton
B.A. Environmental Studies, The State University of New York at Binghamton
Research Interests: Nature-society relationships, political ecology, urban geography.
Adviser(s): Deborah Martin and James McCarthy

Dan Santos
M.A. Geography, Clark University
B.A. (Honours), Geography and English Literature, University of Melbourne, Australia
B.Sc. Environmental Science and Genetics, University of Melbourne, Australia
Research interests: science and technology studies; biotechnologies and genetics; nature-society relations; innovation; science and democracy; materiality.
Adviser: James Murphy

Surendra Shrestha
M.S. Forestry, University of Georgia
B.A. Forestry, Tribhuvan University, Nepal
Research Interests: Land use change modeling, Hydrologic process modeling, Ecohydrologic impacts of land use change, Land-Atmosphere interaction.
Adviser: Christopher Williams

Lei Song
M.S. 3S, Nanjing University of Information Science and Technology, Nanjing, China
B.S. GIS, Nanjing University of Information Science and Technology, Nanjing, China
Research Interests: Remote Sensing and GIS, Land-cover/land-use change, Human-Environment interactions, Ecological modeling, Machine learning.
Adviser: Lyndon Estes

Nathaniel Strosberg
M.R.P. (Regional Planning), State University of New York at Albany
M.L.A. (Landscape Architecture), Rhode Island School of Design
B.S. Political Science, Union College
Research Interests: Spatial theory, urban geography, musical geography, municipal governance, landscape design.
Adviser: Mark Davidson

Shiqi Tao
M.S. Geography, Michigan State University
B.S. Geography, Chengdu University of Technology, China
Research Interests: Forest change monitoring, as well as traits that affect forest responses to climate change.
Adviser: Karen Frey

Mara van den Bold
MSc. Anthropology and Development, London School of Economics and Political Science (LSE), UK
B.A. Anthropology and Latin American Studies, Union College, USA
Research interests: political ecology, development theory, natural resource conflicts, indigenous social movements, agrarian change, food sovereignty and nutrition, Latin America, West Africa.
Adviser: James McCarthy

Gisselle Vila-Benites 
M.A. Environmental Development, Pontifical Catholic University of Peru
B.A. Sociology, Pontifical Catholic University of Peru
Research Interests: The comparative governance of artisanal and small-scale mining in Colombia and Peru.
Adviser: Karen Frey

Julia Wagner 
B.A. in International Affairs, The George Washington University
Research Interests: civic data, political economy, property, commons, urban planning.
Adviser: James McCarthy

Michelle Wenderlich
M.A. Geography, Clark University
M.A. Public Policy, Hertie School of Governance, Germany
B.A. Music, SUNY Stony Brook
Research Interests: State theory and political philosophy, political ecology, political economy, commons, energy, climate justice, alternatives to privatization, participatory democracy.
Adviser: Mark Davidson

Brittany Lauren Wheeler
M.A. Forced Migration Studies, University of the Witwatersrand
M.A. International Museum Studies, University of Gothenburg
B.A. English, University of California, Berkeley
Research Interests: legal geography, moral geography, environmental migration, spatial justice, reparation/restitution, historical justice and anticipatory futures, geographies of care, death and dying, museum geographies.
Adviser: Deborah Martin

Li Xi
M.A., Geography, Binghamton University
B.A., Geography, Binghamton University
Research Interests: Describing long-term forest transitions with time series Landsat imagery; Estimating urbanization at subpixel level with time series models; Mapping continuous forest disturbance and recovery activities to assess carbon dynamics in the ecosystem.
Adviser: Christopher Williams

Sitian Xiong
M.S. GIS, Clark University
B.S. in Geography, University of Wyoming
B.E. Land Resource Management, China University of Geosciences (Wuhan), China
Research Interests: Remote sensing, Agriculture, Machine Learning.
Adviser: Lyndon Estes

Su Ye
M.S. Environmental Studies, Queen’s University, Canada
B.A. Forestry Science, Beijing Forestry University, China
Research Interests: Remote sensing, Land-cover change detection, Image processing, Machine Learning.
Adviser(s): John Rogan and J. Ronald Eastman

Luisa Young
M.Sc. Geographic Information Science for Development and Environment (GISDE), Clark University
B.Sc. Natural Resources and Environmental Management (NREM), University of Hawaii at Manoa
Research Interests: Remote Sensing and GIS, Ecological Modeling, Global Environmental Change, Water Resources, Pacific Islands, Ethnobotany.
Adviser(s): Karen Frey and John Rogan

Aiyin Zhang 
M.S. Hong Kong Polytechnic University
B.S. Beijing Forestry University
Research Interests: The applications of multi-temporal remote sensing for the study of land-use change, forest disturbances, agriculture expansion and urbanization.
Adviser: Karen Frey

Yu Zhou
M.A. Geography, Clark University
M.S. Cartography and GIS, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, China
B.E. Remote Sensing Science and Technology, Shandong University of Science and Technology, China
Research Interests: ecological modeling; global change; ecosystem carbon and water cycling; human-environment interactions.
Adviser: Christopher Williams

Contact Information

Graduate School of Geography

Office Location
  • Jefferson Academic Center, Room 220
    950 Main Street
    Worcester, MA 01610
  • 1-508-793-7336
  • 1-508-793-8881 fax
  • geography[at]clarku[dot]edu