Stanford Doerr School of Sustainability


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  • Zachary Kaufman

    Zachary Kaufman

    Postdoctoral Scholar, Earth System Science

    BioI am broadly interested in how Earth’s atmosphere, ocean, and cryosphere interact to shape the spatial pattern of climate change. I primarily develop data-driven, statistical approaches to diagnose climate change mechanisms in state-of-the-art earth system models. At Stanford, I use these tools to evaluate the Southern Ocean’s complex relationship with Antarctic ice-sheet mass balance. This work addresses key sources of uncertainty in current climate change projections, supporting improved climate impact assessments and a better-informed societal response to future changes. I recently completed my PhD in the Feldl Lab at University of California, Santa Cruz, where I used a causal inference approach to investigate the role of sea ice in polar climate change. Outside the lab, I enjoy mountain biking, skiing, cooking, and live music.

  • Jonas Kloeckner

    Jonas Kloeckner

    Postdoctoral Scholar, Earth and Planetary Sciences

    BioJonas Kloeckner is a Postdoctoral Fellow at the Stanford Doerr School of Sustainability, sponsored by the Stanford Institute for Human-Centered Artificial Intelligence (HAI). He specializes in critical mineral exploration essential for the sustainable energy transition. Utilizing his expertise in artificial intelligence and resource forecasting, Mr. Kloeckner leads initiatives that strive to align with global sustainability goals.

    Jonas earned his PhD in Engineering from the Federal University of Rio Grande do Sul (UFRGS), Brazil, where he later served as a Postdoctoral Fellow at the Institute of Geosciences. His doctoral and postdoctoral research focused on advancing geostatistical methods for Earth resources forecasting, significantly contributing to the field.

    Previously, Jonas was a Visiting Research Scholar at Stanford University under the mentorship of Professor Jef Caers. He holds a Master’s and Bachelor’s degree in Mining Engineering from UFRGS, with additional international studies at Ecole des Mines d’Alès, France, and as a visiting student at Columbia University, USA.

    Jonas’s current research integrates spatial data analysis with advanced decision-making processes in subsurface systems, enhancing resource management strategies and supporting sustainable mining practices. Beyond academia, he actively collaborates on various international projects, optimizing resource extraction and minimizing environmental impacts through innovative technology and interdisciplinary collaboration.