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The SSRL Users Executive Committee (UEC) encourages users to participate in SSRL events and contact UEC members to share feedback or suggestions:
David Bushnell, Stanford University (SSRL UEC Chair)
Monica Barney, Chevron Energy Technology Company
Dave Barondeau, Texas A&M University, College Station
Christoph Bostedt, ANL (Ex Officio, LCLS UEC)
Natalie Geise, Stanford University
Graham George, University of Saskatchewan
Marco Keiluweit, University of Massachusetts, Amherst
Henry (Pete) La Pierre, Georgia Institute of Technology
Nathan Lavey, University of Oklahoma
Feng Lin, Virginia Tech, Blacksburg
Lisa Mayhew, University of Colorado, Boulder
Blaine Mooers, University of Oklahoma Health Science Center (SSRL UEC Past Chair 2017)
Andrew Riscoe, Stanford University
Edward Snell, Hauptman Woodward Institute (SSRL UEC Past Chair 2016)
Timothy Stemmler, Wayne State University
Kelly Lynn Summers, University of Saskatchewan
Mariano Trigo, Stanford University
Beth Wurzburg, LBNL, Joint Genome Institute, Berkeley, CA, (Ex Officio NUFO)
Lisa Dunn, SLAC (SSRL Liason, Ex Officio)
Cathy Knotts, SLAC (SSRL Liaison, Ex Officio)
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| Monica Barney, Chevron Energy Technology Co, Richmond, CA 94802 Monica is an Advanced Materials Research Scientist in the Materials and Corrosion R&D Group at the Chevron Energy Technology Company. With a unique background in chemistry and materials science, she develops novel analytical methods to improve corrosion rate prediction of materials exposed oil-based solutions at high temperature. Throughout her career, she has specialized in advanced characterization, often employing synchrotron x-ray methods to solve tough, ongoing engineering problems. First using the microdiffraction beamline at the ALS for her Ph.D. work at the University of California, Berkeley, she has continued to discover new approaches using synchrotron x-rays, with a patent recently granted for a spectroscopy technique developed at SSRL to characterize sulfur species in crude oil. |
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Dave Barondeau, Texas A&M University, College Station, TX 77842
David Barondeau is an Associate Professor, Department of Chemistry, at Texas A&M University in College Station, Texas. He has used the macromolecular crystallography beam lines at SSRL since 1998. His TAMU group couples x-ray crystallography with molecular biology, biochemistry, spectroscopy and biophysical methods such as small angle x-ray scattering and deuterium exchange mass spectrometry to understand the chemistry underlying biological mechanisms.
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| Christoph Bostedt, ANL, Argonne, IL 60439 (Ex Officio, LCLS UEC)
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| David Bushnell, Stanford University, Stanford, CA 94305 Dave Bushnell is a Sr. Research Associate in the Department of Structural Biology at Stanford University. His research focuses on using structural methods such as electron microscopy and protein crystallography to understand and control the process of gene expression. Dave received his BS degree from Cornell University and went on to complete a PhD in Biophysics from Stanford University. While working in the lab of Prof. Roger Kornberg, Dave was part of the team that solved the atomic structure of the 10 subunit yeast RNA Polymerase II which contributed to Prof. Kornberg being awarded the 2006 Nobel Prize in Chemistry. Dave has continued his structural studies of RNA polymerase II mechanism including solving the structure of RNA Polymerase II with the inhibitor alpha-amanitin. Recently he has been involved with Cocrystal Pharma Inc., a small start up that uses structure guided drug discovery techniques to develop novel anti-viral therapies. Dave’s first beamtime at SSRL was May 5, 1994 and he has been an active user ever since. In addition to experience at SSRL he has performed experiments at LCLS, ALS, APS, CHESS and NSLS. |
| Natalie Geise, Stanford University, Stanford, CA 94305 Natalie Geise is a PhD student in Chemistry at Stanford University and works in Mike Toney's group at SSRL. Prior to her graduate studies, Natalie worked in Terry Gullion's solid state NMR group looking at peptide arrangement on nanoparticle surfaces while an undergraduate at West Virginia University. Natalie's current research focuses on high-capacity Li-metal anodes for Li-ion batteries. Through synchrotron-based x-ray techniques at SSRL, ALS and APS and electrochemical measurements, she works on understanding the formation of the solid-electrolyte interphase (SEI) and its relation to Li metal plating. |
| Graham George,,University of Saskatchevan, Saskatoon, Saskatchewan Graham George was educated at King's College London (B.Sc., 1979) and the University of Sussex (D. Phil., 1983). After postdoctoral fellowships at Sussex and Exxon Research & Engineering Co. in New Jersey USA, he continued at Exxon as a Principal Investigator. Graham was Exxon Participating Research Team spokesperson for both NSLS X10-C and SSRL 6-2 between 1988 and 1992. In 1992 Graham married fellow synchrotron radiation researcher Ingrid Pickering and moved to the Stanford Synchrotron Radiation Laboratory where he held the position of Physicist until 2003. In 2003 he became full professor and Canada Research Chair in X-ray Absorption Spectroscopy at the University of Saskatchewan. Graham's first experiments using synchrotron radiation were on the EMBL XAS beamline at DESY Hamburg in April 1982, and his first experiments at SSRL were on Beam Line 7-3 in December 1983. Since that first run at SSRL Graham has taken part in over 185 different beamtime experiments at SSRL, and has published more than 270 papers using data collected at SSRL. His research bridges the chemical, the environmental and the life sciences and includes a career-long interest in metalloenzymes, toxic metals and fuel science. |
| Lisa Dunn, SSRL User Research Administration, Menlo Park, CA 94025 (SSRL Liason, Ex Officio) Lisa has worked at SSRL since 1986, and has been part of the User Research Administration team since 2000. Lisa manages the administration proposal review and scheduling for macromolecular crystallography and biological small angle scattering beam lines. Lisa earned her Bachelor of Science degree from San Jose State University. |
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Marco Keiluweit, University of Massachusetts, Amherst, MA 01003 |
| Cathy Knotts, SSRL User Research Administration Manager, Menlo Park, CA 94025 (SSRL Liaison, Ex Officio) Cathy has managed SSRL User Research Administration since November 2000, taking on the additional responsibilities for establishing and managing a joint SSRL/LCLS User Office from 2007-2015 (LCLS began operations with the first user assisted commissioning experiments in 2009). Before joining SLAC, Cathy managed administrative operations and corporate communications in the biotechnology industry (1994-2000). Prior to moving to California to help start a biotech company, she was a management analyst for the National Institute on Aging/National Institutes of Health in Maryland. Cathy graduated from the University of Maryland majoring in Health Science and Policy. |
| Henry (Pete) La Pierre, Georgia Institute of Technology, Atlanta, GA 30332 Henry joined the School of Chemistry and Biochemistry and the Nuclear Engineering Program at the Georgia Institute of Technology as an assistant professor in 2016. His graduate work, with Professors John Arnold, Robert Bergman, and Dean Toste at UC-Berkeley, focused on the development of a Z-selective alkyne semihydrogenation catalyst. Following graduation, he studied ligand control of reactive low- and high-valent uranium complexes as a postdoctoral scholar with Prof. Karsten Meyer at FAU Erlangen-Nuremberg. In 2014, he joined the Los Alamos National Laboratory XAS program as a Director's Postdoctoral Fellow and employed ligand K-edge XAS to study covalency in transuranic complexes. He has been a user of SSRL since 2015 and has also performed synchrotron experiments at ANKA. His current research uses synchrotron spectroscopy to understand how f-element valence and orbital energy govern magnetic superexchange and multi-configurational behavior in molecular complexes and extended solids. |
| Nathan Lavey, University of Oklahoma, Norman, OK 73019 Nathan is a fifth-year Ph.D. student in Dr. Adam Duerfeldt’s laboratory at the University of Oklahoma. After working at a biotechnology startup in Boston for two years, he decided to return to academia. Nathan combines structural biology methods such as SAXS and x-ray crystallography with biochemistry techniques, to elucidate the role of ClpP in the virulence of a bacterial organism, as well as structurally guide the design of small molecules that target ClpP. Nathan routinely utilizes the SSRL for macromolecular x-ray crystallography, in order to reconcile biochemical observations with structural evidence, and utilize that information to guide the design of antimicrobial small molecules that activate ClpP. He has completed the CCP4 training workshop at the Advanced Photon Source, and has been a frequent remote-SSRL user since 2015. |
| Feng Lin, Virginia Tech University, Blacksburg, VA 24061 Feng is Assistant Professor, Virgnia Tech Department of Chemistry. Feng holds a Bachelor’s degree in Materials Science and Engineering from Tianjin University, and an MSc degree and a PhD degree in Materials Science from the Colorado School of Mines. Feng joins the department after working for QuantumScape Corporation as a Senior Member of Technical Staff and Lawrence Berkeley National Lab as a postdoc. Prof. Lin’s expertise includes energy materials for batteries, smart windows and catalysis, as well as advanced analytical techniques for the in operando characterization of these technologies at various length scales. His research activities at Virginia Tech will focus primarily on electrochemical energy systems, including rechargeable batteries and single atom electrocatalysts for renewable fuels. |
| Lisa Mayhew, University of Colorado, Boulder, CO 80309 Lisa graduated from Colgate University in 2000 with a BA in Geology. She began her Master’s research investigating the relationship between the geochemical characteristics and microbial communities present at fumaroles on the Galapagos Islands in 2004 and graduated with a Master’s degree in Geological Sciences from the University of Idaho in 2006. She then moved to Geological Sciences at the University of Colorado – Boulder working with Dr. Alexis Templeton to design laboratory experiments to investigate the production of H2 gas from water-rock reactions at low temperatures (<150°C). A major component of her PhD thesis work was the implementation of synchrotron radiation based techniques to investigate the partitioning of Fe into the diverse, microscale secondary mineral phases formed during the water-rock reactions. She worked with Dr. Sam Webb on SSRL BL2-3 to develop a method of multiple energy mapping within the Fe K-edge, coupled with μXANES analyses, to investigate the speciation and distribution of Fe at the microscale. She also has experience collecting bulk XANES and EXAFS spectra from powdered rocks and minerals on SSRL BL 4-1 and 11-2. These spectra have been incorporated into an extensive Fe model compound spectral library. The application of synchrotron techniques has enabled unique insights into the mechanism of H2 production from low temperature water-rock reactions. She also implemented this method to investigate the potential for microorganisms, present in the reaction system, to affect the reaction pathways and products. Lisa completed her PhD in June 2012 and is a Research Associate in the Templeton Geomicrobiology Laboratory at the University of Colorado – Boulder where she continues to apply synchrotron techniques to new experimental systems and investigate samples from natural geologic systems undergoing similar low temperature reactions. She plans to expand her synchrotron experience to include surface spectroscopic techniques. |
| Blaine Mooers, University of Oklahoma Health Science Center, Oklahoma City, OK 73190 Blaine entered crystallography as a graduate student by working on problems in DNA structure with Dr. Shing Ho at Oregon State University. He switched to problems in protein structure as a post-doc with Dr. Brian Matthews at the University of Oregon. While a post-doc, he started using synchrotron radiation to collect atomic resolution data from proteins and made his first trip to SSRL in 1999 where he has been returning almost every year. He started a lab at the University of Oklahoma Health Science Center that is focused on structural studies of RNAs from the RNA editing system in the mitochondrion of trypanosomes. His lab has been involved in SAXS studies for the past three years and started to make regular trips to BL4-2 in addition to the protein crystallography beam lines. http://structuralbiology.ou.edu/ |
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Andrew Riscoe, Stanford University, Stanford, CA 94305 |
| Richard Sandberg, Los Alamos National Laboratory, Los Alamos, NM 87545 (Ex Officio, LCLS UEC) Richard is on the nanotechnology and advanced spectroscopy team at Center for Advanced Solar Photophysics at Los Alamos National Laboratory. He received his Ph.D. and MS degrees from the University of Colorado Boulder, BS from Brigham Young University. |
| Timothy Stemmler, Wayne State University, Detroit, MI 48201 Tim Stemmler is a Full Professor and Associate Chair for the Department of Pharmaceutical Sciences at Wayne State University (WSU). In addition, Tim is an Associate Dean of the WSU Graduate School where he serves as the Director of the Postdoctoral Scholar Office. Tim been using XAS in his research since 1990, while receiving his training under Jim Penner-Hahn at the University of Michigan. After serving as an NIH postdoctoral fellow at the University of Utah, Tim started his career as a new faculty member at WSU in 2000. He has been continuously funded by the NIH and American Heart Association since 2001, and has published over 85 journal articles/reviews/book chapters predominately using XAS in his research. He has presented his work at over 77 conferences/Universities, both nationally and internationally in the past 17 years. He has had 10 PhD students, 5 MS students, and mentored 7 postdoctoral scholars, who have used XAS in their research. He has served on 27 NIH study sections since 2008, and is an active reviewer for the NSF and several International funding agencies. Tim did a sabbatical at SSRL in 2013 with Dr. Keith Hodgson and Dr. Britt Hedman and remains an active user and supporter of SSRL. |
| Kelly Lynn Summers, University of Saskatchewan, Saskatoon, Saskatchewan Kelly Summers is a PhD candidate in the Department of Chemistry at the University of Saskatchewan. She holds an MSc and a BSc (Honors) in Biology from the University of Western Ontario and currently holds an Alexander Graham Bell Canadian Graduate Scholarship from the Natural Sciences and Engineering Research Council of Canada (NSERC) to support her PhD research. She is a fellow in the Training in Health Research Using Synchrotron Techniques (THRUST) program and is part of the Molecular and Environmental Sciences Group at the University of Saskatchewan, led by Canada Research Chairs, Profs. Graham George and Ingrid Pickering. Kelly has been involved in the university community through participation in departmental committees, including the Chemistry Course Council. She has also engaged in several conference organization activities including the semi-annual Graduate Student Symposium and the annual THRUST Retreat. Throughout her graduate research Kelly has had the opportunity to operate numerous beamlines at several synchrotron facilities, including the Advanced Photon Source, the Australian Synchrotron, and the Canadian Light Source, in addition to frequent runs at SSRL. Kelly received an NSERC Michael Smith Foreign Study Supplement to support her travel to the Australian Synchrotron and her studies there. She has experience in both x-ray absorption spectroscopy (XAS) and x-ray fluorescence Imaging techniques and uses both in her research, as well as for collaborative projects. In fact, SSRL’s biological XAS Beam Line 7-3 has been key to her research on the role of metals, particularly copper(II), in the Alzheimer’s brain and how these metals may be manipulated using metal-binding drugs. |
| Edward Snell, Hauptman Woodward Institute, Buffalo, NY 14203 Eddie's background is x-ray crystallography, bio spectroscopy and small angle x-ray scattering (SAXS), which are complementary techniques that are invaluable to furthering the structural and mechanistic information on the biological world. |
| Mariano Trigo, Stanford University, Stanford, CA 94305 Mariano is a staff scientist at the Stanford PULSE Institute, a Stanford independent laboratory focused on ultrafast and short wavelength science and technology. |
| Beth Wurzburg, LBNL, Joint Genome Institute, Berkeley, CA 94598 (Ex Officio NUFO) Beth was a Research Associate at the LBNL Joint Genome Institute. Previously, Beth was a Research Associate in the laboratory of Prof. Ted Jardetzky. She trained as a protein biochemist (Don Wiley's laboratory) and as a crystallographer (Ted Jardetzky's laboratory), and she has been collecting data at synchrotrons since 1995. Her research interests include biophysical studies of proteins of the immune system and of human pathogens. |
