Stanford University
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Erika Veidis
Lecturer, Earth Systems Program
Strategic Initiatives Advisor, Human and Planetary HealthBioErika Veidis is the Strategic Initiatives Advisor for the Stanford Center for Human and Planetary Health, where she supports a range of efforts focused on community engagement, outreach, education, and impact. Prior to this role, Erika directed the forestry program at the Tahoe Truckee Community Foundation, where she led funding and capacity-building initiatives focused on forest restoration and wildfire resilience, and served as program manager for the Stanford Center for Human and Planetary Health and Stanford Center for Innovation in Global Health, where she led policy influence and strategic communications initiatives, coordinated research and outreach programs, and designed and implemented curricula for undergraduate and graduate students in planetary health and environmental systems thinking. Erika also previously built and managed a global network of 200+ universities, NGOs, research institutes, and government entities investigating the linkages between global environmental change and public health through the Planetary Health Alliance.
Erika has published on the health and social dimensions of climate change and other environmental challenges, ranging from wildfires to plastic pollution to heat stress. She graduated from Harvard University in 2015 with a BA in Government and Mind/Brain/Behavior, where she studied the sociological determinants of community resilience and adaptation responses, particularly in response to economic and political stress, and obtained an MBA from the California Polytechnic University, San Luis Obispo in 2016, where she focused on environmental economics, nonprofit and philanthropic strategy, and corporate sustainability. -
MANUEL RAFAEL VEJAR
Postdoctoral Scholar, Photon Science, SLAC
BioManuel (Manny) Vejar is a postdoctoral scholar at SLAC National Accelerator Laboratory, specializing in synchrotron X-ray fluorescence imaging and X-ray absorption spectroscopy to study environmental and rhizosphere biogeochemistry at the Stanford Synchrotron Radiation Lightsource.
He received his Ph.D. in the Civil & Environmental Engineering & Earth Sciences department at the University of Notre Dame in 2024. His doctoral research focused on the impacts of iron-oxide mineral complexity on the fate and transport of plutonium in nuclear waste repository and/or legacy environmental contamination settings. Specifically, he studied the influence of Al-substitution in iron (oxyhydr)oxide minerals on the redox and speciation behavior of plutonium at the mineral-water interface, employing M4-edge high-energy resolution fluorescence-detected X-ray absorption near-edge structure (HERFD-XANES) spectroscopy to determine the oxidation state and L3-edge extended X-ray absorption fine-structure (EXAFS) spectroscopy to determine coordination environment of the plutonium associated with these minerals.
He has over 7 years of experience with synchrotron techniques (micro-X-ray fluorescence imaging, XANES, and EXAFS), and their applications to study metal(loid)s in environmental systems. During his career, Manny has conducted work at the Stanford Synchrotron Radiation Lightsource, the Advanced Photon Source, and the European Synchrotron Radiation Facility, while collaborating with Chapman University, the Institute of Resource Ecology at the Helmholtz-Zentrum Dresden-Rossendorf, and more recently Oak Ridge, Pacific Northwest, and Livermore national labs, and the University of Puerto Rico in Mayaguez. Prior to his Ph.D. at the University of Notre Dame, Manny obtained his B.Sc. in Geology from the California State Polytechnic University, Pomona.
