Current Fellows
Karl Aspelund
karlaspelund@fas.harvard.eduEnvironmental Fellow: 2025-2027
PhD, Economics, Massachusetts Institute of Technology
Karl M. Aspelund uses models grounded in economic theory, paired with spatial and administrative data, to design environmental policies that advance equity, efficiency, and sustainability. Karl received his AB from Harvard College in 2017 in...
Camille DeSisto
Environmental Fellow: 2026-2028
PhD, Ecology, Duke University
Camille DeSisto is a quantitative ecologist and conservation biologist who studies forests undergoing environmental change. Camille DeSisto is a quantitative ecologist and conservation biologist who studies forests undergoing environmental change. Her...
Simon Greenhill
Environmental Fellow: 2026-2028
PhD, Agricultural and Resource Economics, University of California, Berkeley
Simon Greenhill uses econometrics, machine learning, and economic theory to improve environmental measurement and management. Simon's research focuses on measuring environmental conditions, estimating causal relationships between environmental and human...
Jong Yoon Jeon
Environmental Fellow: 2026-2028
PhD, Forestry and Natural Resources, Purdue University
Jong Yoon Jeon integrates genomic and geographic information to understand how threatened species respond to environmental change and strengthen their conservation assessments. Jong Yoon Jeon is a conservation scientist working at the intersection between...
Jiameng Lai
jiamenglai@fas.harvard.eduEnvironmental Fellow: 2025-2027
PhD, Soil and Crop Science, Cornell University
Jiameng Lai is an environmental scientist who integrates plant physiology theories, land surface modeling, satellite remote sensing, and data assimilation techniques to monitor, understand and predict the complex dynamics of terrestrial ecosystems in...
Cameron MacDonald
cgmacdonald@fas.harvard.eduEnvironmental Fellow: 2025-2027
PhD, Atmospheric and Oceanic Science, Princeton University
Cameron uses numerical models and theory to better understand the fundamental dynamics of Earth's atmosphere. Cameron received his B.Sc. in mathematical physics from the University of Waterloo in 2020. While working toward his undergraduate degree, he...
Kyra Morris
Environmental Fellow: 2026-2028
PhD, English Literature, Princeton University
Kyra’s work draws on poetics, aesthetics, and environmental studies to consider the ethical and ecological stakes of artistic form—how the forms we craft for the more-than-human world shape our ethical relationship to it. Kyra Morris earned her Ph.D. in...
Nkosi Muse
nkosimuse@fas.harvard.eduEnvironmental Fellow: 2025-2027
PhD, Environmental Science and Policy, University of Miami
Nkosi Muse utilizes a mixed methods approach to examine unique, humid heat hazards that threaten human health and productivity in urban areas, as well as develop policy solutions to equitably adapt in a warming world. Nkosi earned a Bachelor of Science...
Christopher Yeh
Environmental Fellow: 2026-2028
PhD, Computing and Mathematical Sciences, California Institute of Technology
Chris Yeh develops foundational algorithms and datasets for deploying reliable AI in critical energy, sustainability, and scientific applications, contributing theoretical insights with practical impact. Christopher Yeh is completing his PhD in Computing...
Guglielmo Zappalà
gzappala@fas.harvard.eduEnvironmental Fellow: 2025-2027
PhD, Economics, Paris School of Economics
Guglielmo Zappalà applies statistical and econometric methods grounded in economic theory to traditional and geo-spatial satellite data to better understand the socio-economic impacts of climate change and humanity’s ability to adapt. Guglielmo earned...
