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Our Team

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Antonia Hadjimichael

Assistant Professor, Group PI

Dr. Hadjimichael is an interdisciplinary scientist studying complex human-Earth systems, specifically in the domain of water and planning under uncertainty. She holds a BSc in Mathematics from the University of Leicester, UK, a MSc in Environmental Modeling from University College London (UCL), UK, and a PhD in Water Science and Technology from the University of Girona, Spain.


Gabriela Gesualdo

Postdoctoral Associate

Dr. Gabriela Gesualdo is a Postdoctoral Researcher specializing in water resources planning within complex human-earth systems. Her research primarily revolves around the intriguing realm of compounding events within the context of systemic complexity. Gabriela's academic journey includes a BSc in Environmental Engineering and an MSc in Water Resources and Environmental Technologies from the Federal University of Mato Grosso do Sul, Brazil. She further pursued her passion by earning a PhD in Hydraulic Engineering and Sanitation from the University of São Paulo, Brazil.

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Alexander Thames

PhD Student, Geosciences and Climate Science Dual Title

Alex Thames is an interdisciplinary scientist with interests ranging from the influence of weather on water resource planning to the evolution of Earth's volatile flux as a function of its deep water cycle. Specifically, he is interested in how synthetically generated data sets can provide exploratory insights into poorly constrained physical processes. When not acting as a scientist, Alex can be found watching and critiquing science-fiction, fantasy, and horror content with his wife, doting on his dog, and coding small videogame projects.


Enock Bunyon

PhD Student, Geosciences

Enock Bunyon was born and raised in Ghana. He attended Adisadel College an all-male Anglican boarding high school ranked top 10 in Africa. After graduating from high school, he moved to the United States for his undergraduate studies at Utica University. He was a peer tutor, geology lab technician, and Utica men’s soccer team member. He graduated from Utica University with a Bachelor of Science in Geosciences. Following his graduation from Utica, He worked in the environmental consulting industry as a Junior Geologist for three years. Enock worked on several EPA, U.S Army Corp, and private projects as a geologist. Enock is currently pursuing his master’s in Geosciences at Penn State University. He is a member of Hadjimichael Research Group, and his research focus is on water resources, Hydrogeology, and Hydrology. He enjoys playing soccer, cooking, and listening to music in his free time.


Madison Hernandez

MSc Student, Geosciences

Madison Hernandez is pursuing her master’s in Geosciences at Penn State. Prior, she received a B.S. in Earth and Environmental Sciences at Lehigh University. Her research interests include hydrogeology, water resources, and planning under uncertainty. She enjoys learning how climate change and anthropogenic forces affect water resources in communities. Outside of research, she often spends her time doing yoga, hiking, and reading.


Ava Spangler

MSc Student, Geosciences and Operations Research Dual Title

Ava is pursuing a Master’s degree in Geosciences and Operations Research Engineering. Her research focuses on using decision-making tools to understand how urban environments can most effectively build resiliency against climate change and other stressors. Ava previously earned a B.Sc. in Civil Engineering from the University of Colorado, where her studies focused on hydrology and water resources. Ava is a big fan of chocolate chip cookies, trail running, and cold brew coffee!

Group Associates

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Hollin Williams

BSc Student, Geobiology

Hollin Williams is a senior pursuing an undergraduate degree in geobiology with a minor in marine science. Her interests include studying how marine populations and ecosystems are impacted by the effects of climate change, if and how they may be adapting, and how mitigation techniques may be able to aid in their success. In addition, she’s interested in how present-day ecosystems differ from those of the past under different environmental conditions and how sustainable they will be in the future. She plans on attending graduate school for marine biology along the east coast. In her free time, she enjoys swimming and hiking and is a member of Penn State Club Swim.

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