SLAC National Accelerator Laboratory
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MANUEL RAFAEL VEJAR
Postdoctoral Scholar, Photon Science, SLAC
BioManuel (Manny) Vejar is a postdoctoral scholar at SLAC National Accelerator Laboratory, specializing in synchrotron imaging and spectroscopy 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 Ph.D. work focused on the impacts of iron-oxide mineral complexity on the fate and transport 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 HERFD-XANES to determine the oxidation state and L3-edge EXAFS to determine coordination environment of the plutonium associated with these minerals.
He has over 7 years of experience with synchrotron techniques (microXRF imaging, XANES, and EXAFS), and their applications to study contaminants 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, collaborating with Chapman University, and the Institute of Resource Ecology at the Helmholtz-Zentrum Dresden-Rossendorf. 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. -
Caterina Vernieri
Assistant Professor of Particle Physics and Astrophysics
BioCaterina Vernieri received her PhD on the CMS experiment from the Scuola Normale Superiore in Pisa, Italy, in 2014 and then moved to Chicago for a postdoctoral fellowship at the Fermi National Accelerator Laboratory. She joined SLAC in 2018 as a Panofsky Fellow and moved to the ATLAS experiment, and in 2022 she became Assistant Professor.
Throughout this time, she has been devoted to studying the Higgs boson using data from the LHC. She co-led the group in the CMS experiment studying the Higgs decay to b quarks at the time that this important decay process was finally discovered in the data. At SLAC, Caterina is working with the ATLAS experiment at the LHC with a focus on Higgs physics. She is responsible for the integration activities at SLAC of the new ATLAS Pixel Inner Tracker detector.
She was also co-convener of the group on Higgs boson properties in the US national study of the future of particle physics. -
Johannes Voss
Staff Scientist, SLAC National Accelerator Laboratory
BioJohannes Voss is Staff Scientist at the SUNCAT Center for Interface Science and Catalysis at SLAC National Accelerator Laboratory. He leads a research team focused on the atomic-level understanding and computational design of systems of relevance for renewable storage and conversion of energy. The team employs data-scientific approaches to improve the predictive power of super computer simulations for chemical reactions with emphasis on heterogeneous catalysis.
