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Our Researchers


Greg is an Associate Professor and the Associate Director of the Community and School Garden Program at the University of Arizona (UA). Greg and his students study how plants and ecosystems respond to threats from drought, climate change, and human pressures like over grazing or clearing for renewable energy production. For the last past decade, Greg's team have directed this science to build the field of 'agrivoltaics' in the USA. Greg began in southern Arizona, studying the benefits across the food-energy-water nexus, and over the years his team have developed a national and international program connecting with researchers in Colorado and Oregon and in Africa and the Middle East. Helping develop science-based solutions to help people adapt to the increasing pressures that come from a changing climate is a personal and professional goal of Greg's.


Christopher is a PhD candidate in the Agroecology Lab at Colorado State University (CSU). He is advised by Dr. Meagan Schipanski. He received his BS in Evolution and Ecology from The Ohio State University in 2018 and contributed to plant community ecology research in Dr. Maria Miriti's lab during that time. He currently manages an experiment he designed at Jack's Solar Garden as a portion of his dissertation research. This experiment aims to assess the effectiveness of various vegetation management practices at supplying ecosystem services post-solar energy installation. He joined the CALC team in April 2022 and hopes to facilitate easier access to high quality information concerning agrivoltaics.


Matt is a PhD student in the Plant and Ecosystem Ecology lab at Colorado State University (CSU). At Jack’s Solar Garden, he studies how plants respond to the redistribution of environmental resources (sunlight, water, nutrients) within the solar array. An overarching goal of his research is to better understand how the expansion of solar energy infrastructure might impact the ecosystem health and function of grasslands in Colorado.


Alyssa is a recent graduate from the University of Arizona working with Barron-Gafford and theUA Agrivoltaics research team. Alyssa studies phenology - the timing of importatnt biological events, like when plants germinate, flower, fruit, and dieback at the end of the growing season.  Alyssa leads this phenology research at Biosphere 2 and facilitates phenology data collection at Jack's Solar Garden remotely. Her research aims to better understand crop plant life cycles in agrivoltaic systems. Professionally, her goal is to develop an adaptable framework in tracking crop plant phenology internationally to help others understand their crops growing in agrivoltaic systems and to empower those doing the work to bridge the gap between science and farming. 


Nesrine is a research specialist and PhD student at the University of Arizona (UA). She works with Greg Barron-Gafford and leads research coordination for the UA Agrivoltaics team. At Biosphere2 and Jack’s Solar Garden, she facilitates the deployment and maintenance of microclimate sensor networks and organizes crop physiology field campaigns. Nesrine’s enthusiasm about studying agrivoltaic systems stems from her concerns about the climate crisis and food security. Her background in biology and plant ecology informs her research directions. She focuses on uncovering the eco-physiological mechanisms influencing crop responses to shade and water stress in novel agrivoltaic conditions.

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