School of Earth, Energy and Environmental Sciences
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Ph.D. Student in Geological Sciences
Masters Student in Geophysics
BioHong Yang is currently a PhD student in Geological Science working with Wendy L. Mao. He joined Mao’s lab at Stanford University in 2018, after finishing his Master’s Degree at HPSTAR, Shanghai, where he was supervised by Jung-Fu Lin. His Master’s thesis focused on the experimental determination of iron isotopic fractionation behavior of lower mantle phases using the Synchrotron X-ray technique NRIXS. Before that, he was an undergraduate majoring in Geochemistry at the University of Science and Technology of China. There he performed the quality assessment of bottled drinking water and water from Lake Chao under Fang Huang’s supervision.
Hong’s research interests include the chemical (especially isotopic) evolution of the Earth and other planetary bodies; structure and sound velocities of iron-alloys at high pressure; pressure-induced electronic, magnetic, elastic and structural transitions in materials; as well as high pressure photon science. His recent research was published on Earth Planet. Sci. Lett. 506, 113-122 (2019), entitled “Iron isotopic fractionation in mineral phases from Earth’s lower mantle: Did terrestrial magma ocean crystallization fractionate iron isotopes?”.
Postdoctoral Scholar, Earth System Science
BioI am an ecosystem ecologist using data-driven approaches to study global environmental changes, including climate change, land use land cover change, and coupled natural and human (CNH) systems. My data comes from both remote sensing observation and field measurements. My current project is studying methane emissions from abandoned oil and gas wells and from home appliances in California.
Educational Affairs Program Director, School of Earth, Energy and Environmental Sciences
BioAs the Educational Affairs Program Director and a Lecturer in the School of Earth, Energy & Environmental Sciences, Audrey develops educational programs and courses that connect academic learning with real world applications. In this role, Audrey serves undergraduates, graduate students, and postdoctoral scholars in Stanford Earth.
She teaches the Earth 1 Know Your Planet series of courses designed to introduce undergraduates to the challenges that face our planet today and the people working on solving those problems. Audrey also developed and teaches the Earth 200 course series that supports graduate students and postdocs in developing powerful professional portfolios that include academic excellence, professional skills, and personal development.
In her role, Audrey manages the School's undergraduate peer advisors, who advocate for student needs within the School as well as create educational programs and social events for the undergraduate community at large. She oversees the School's graduate teaching mentors, who serve as resources in teaching and learning for graduate students. And, Audrey serves as the School's primary partner to the Postdoc Advisory Council, supporting the needs of postdocs across Stanford Earth.
Audrey also hosts a series of co-curricular educational programs that allow undergraduates, graduate students, and postdocs the chance to gain practical experiences and knowledge. These include a peer-taught Skillshare series, a faculty-led Pro-Seminar series, a Conversations with Alumni series, and a variety of workshops throughout the year.
Ph.D. Student in Energy Resources Engineering
Current Research and Scholarly InterestsNumerical simulation of the fully coupled fluid flow and geomechanical deformation in fractured reservoirs using the method of augmented Lagrangian and discrete fracture model
David Zhen Yin
BioDavid Zhen Yin is the Research Scientist at Stanford Center for Earth Resources Forecasting. He develops data scientific approaches for prediction, uncertainty quantification and decision making in earth resources exploration and developments (including critical minerals, groundwater, and oil and gas).
David developed broad experiences in working with complex projects involving the academia and industry as well as broad knowledge about the fields. His research delivered several key technologies that have been transferred as in-house technologies in Chevron, Equinor, and KoBold. His research developments have been implemented to a broad spectrum of subjects, from Antarctica bed topography modeling, to critical mineral explorations in Canada/China/US, to North Sea and Gulf of Mexico projects.
Prior to joining Stanford, David was a Research Associate (Reservoir Geophysics) at Edinburgh Time-Lapse Project at Heriot-Watt University in Scotland, leading a research project in collaboration with Equinor from 2016 to 2018. He was also a Technology Consultant at Equinor's Research Center in Bergen, Norway. He was then a Chevron CoRE Postdoctoral Fellow at Stanford from 2018 to 2021.
David received his PhD in Geosciences from Heriot-Watt University, UK, in 2016, and B.Eng from China University of Petroleum in 2011. His research interests include data science for geosciences, geological uncertainty quantification, and decision making under uncertainty. He has authored tens of articles in peer-reviewed journals and international conferences on these topics.
Ph.D. Student in Environment and Resources
Juris Doctor Student, Law
Student Employee, Student Learning Support
Current Research and Scholarly InterestsLeehi studies greenhouse gas inventories and how countries use (or misuse) scientific knowledge in developing national carbon inventories and climate policies. She is particularly interested in the global carbon cycle, and how ecosystem and forest carbon is understood by policymakers.