Earth, Energy & Environmental Science

Staff Page • Program Manager, Energy Storage. Biography Ray Byrne is manager of the Energy Storage program at Sandia National Laboratories where he has been employed since 1989. Prior serving as manager, he was a Distinguished Member of the Technical Staff. He completed a B.S. in electrical engineering at the University of Virginia,...

Staff Page • Research Hydrogeologist. Biography Rick is a research hydrogeologist with research interests at the intersection of geologic fluid systems and energy resources, including radioactive waste disposal (especially in salt), CO2 sequestration, geothermal energy resources, basin-scale fluid systems and groundwater availability in arid regions. To better understand these geologic fluid systems, Rick...

Staff Page • Manager, Solar Thermal Test & Demonstration . Robert Keene is manager of the National Solar Thermal Test Facility (NSTTF), which is operated by Sandia National Laboratories for the U.S. Department of Energy. Robert manages a staff of 25 engineers, technologists and students. His team is responsible for thermal testing operations...

Staff Page • Electrical Engineer. Biography Rodrigo D. Trevizan is a Senior Member of Technical Staff at Sandia National Laboratories. Rodrigo authored research papers on the subjects of control of energy storage systems and demand response for power grid stabilization, power system state estimation, and detection of nontechnical losses in distribution systems. Rodrigo...

Staff Page • Senior Member of Technical Staff. Biography Ronald C. Matthews received his B.S. in Mathematics and M.S. in Mathematical Sciences from the University of West Florida in 2005 and 2007 respectively. He earned his M.S. and Ph.D. in Electrical Engineering from Michigan Technological University in 2012 and 2018 respectively. He joined...

Staff Page • Principal Member of Technical Staff. Biography Ross Guttromson received his B.S.E.E. and M.S.E.E. degrees from Washington State University, and his Executive MBA degree from the University of Washington. Ross is Principal Researcher in the area of Electric Power Systems at Sandia National Laboratories with focus on transmission operations and planning....

Staff Page • R&D Mechanical Engineer. Biography Ryan Coe received a B.S. degree in Ocean Engineering (2009) and a Ph.D. in Aerospace Engineering (2013), both from Virginia Tech, and he subsequently joined Sandia National Laboratories’ Water Power Technologies group in 2013. Ryan’s research focuses primarily on wave energy converters (WEC) modeling, testing, control,...

Staff Page • Principal Member of Technical Staff. Biography Ryan T. Elliott received the Ph.D. degree in Electrical and Computer Engineering in 2020 from the University of Washington, Seattle, WA, USA, where he studied in the Renewable Energy Analysis Lab (REAL). He is currently a Principal Member of Technical Staff with the Electric...

Staff Page • Senior Member of Technical Staff . Biography Samuel T. Ojetola is a Senior Member of Technical Staff at Sandia National Laboratories. His expertise includes, power system dynamics and control, improvement of grid reliability and resilience to extreme events, machine-learning based protection for distributed networks, and resilient energy integration. Before joining...

Staff Page • Principal Member of Technical Staff. Biography Dr. Shamina Hossain-McKenzie is a Principal Member of the Technical Staff in the Cyber Resilience R&D Department at Sandia National Laboratories; she focuses on grid cybersecurity research. She received her electrical engineering Ph. D. and Master’s degrees from the University of Illinois at Urbana-Champaign...

Staff Page • Postdoctoral Appointee. Biography Dr. Srinivasarao Kamala is the Postdoctoral Appointee in the Resilient Energy and Distributed Systems Integration (REDSI) group at Sandia National Laboratories. He received his Master of Science by Research in Electrical Engineering from the Indian Institute of Technology Madras, India in the year 2011. He received his...

Staff Page • Senior Scientist, Power Electronics Lead. Biography Dr. Stan Atcitty received his BS and MS degree in electrical engineering from the New Mexico State University in 1993 and 1995, respectively. He received his PhD from Virginia Tech University in 2006. He is presently a Distinguished Member of Technical Staff at Sandia...

Staff Page • Senior Member of Technical Staff. Biography Stephen J. Verzi earned his PhD from the University of New Mexico in computer science, with a focus in neural network design and analysis at Sandia. His professional experience in algorithm development and computational modeling spans many application domains: artificial intelligence, machine learning, information...

Staff Page • Materials Scientist. Biography Stephen J. Percival is a Senior R&D Materials Scientist and electrochemist in the Electronic, Optical, and Nano Materials Department at Sandia National Laboratories in Albuquerque, New Mexico. Stephen received his bachelor’s degree from the University of Nevada, Reno and PhD from the University of Washington, Seattle. Before...

Staff Page • R&D S&E, Mechanical Engineer. Biography Sterling Olson is a technical staff member in the Hydrodynamic Energy Systems Program at Sandia National Laboratories. Sterling is the lead developer for the open-source and freely available Marine and Hydrokinetic Toolkit (MHKiT). MHKiT is the foremost data processing toolbox for generalized marine energy data...

Staff Page • Postdoctoral Researcher. Biography Steven DiGregorio is a postdoctoral researcher in the Photovoltaic Systems Evaluation Laboratory (PSEL) at Sandia National Laboratories. His current research focuses on the characterization and statistical analysis of PV connector failures and the quantification of cell and glass cracking due to hail impacts on PV modules. Prior...

Staff Page • Manager, Resilient Energy and Distributed Systems Integration. Biography Dr. Summer Ferreira is the Manager of the Resilient Energy and Distributed Systems Integration (REDSI) department within the Electric Grid Security group at Sandia National Laboratories. Since 2019, she has led REDSI in addressing the critical need for resilient energy solutions at...

Staff Page • Senior Member, Technical Staff. Biography Thad Haines is a senior member of the technical staff with the Resilient Energy and Distributed Systems Integration department at Sandia National Laboratories where his work contributes to better understanding issues related to resilience, stability, and controllability of electrical power systems due to increased renewable...

Staff Page • Instrumentation & Aeronautical Engineer. Biography Tommy Herges leads instrumentation development activities for wind plant field campaigns in the Wind Energy Computational Sciences Department at Sandia National Laboratories. He has been a member of the Wind Energy Technologies department since 2013, where he has worked on advanced laser velocity measurements and...

Staff Page • Complex Systems Analyst. Biography Thushara Gunda is a Principal Member of Technical Staff at Sandia National Laboratories. Her research portfolio focuses on data-driven decision making in complex systems, including water resources, energy, and security domains. Leveraging insights from interdisciplinary perspective is a key distinguishing feature of Thushara’s work. Her research...

Staff Page • CEP, CSP, PMP. Biography Timothy G. (Tim) Riley began his professional journey as a helicopter crew chief in the U.S. Air Force and has been passionate about all things that fly or rotate ever since. Following his military service, Tim went on to enjoy an incredible 23-year career in NASA’s...

Staff Page • R&D S&E, Cybersecurity. Biography Timotius Oentung currently works as a Research and Development (R&D) Software and Engineering (S&E) staff member for the Resilient Energy and Distributed System Integration (RDSI) organization. Prior to joining Sandia, he graduated with an MS in Cybersecurity and Privacy from the University of Central Florida with...

Staff Page • Physicist. Biography Todd Monson is a Principal Member of the Technical Staff at Sandia National Laboratories, where for the past fifteen years his research has focused primarily on the synthesis and characterization of ferromagnetic and ferroelectric nanomaterials for energy related applications. Todd holds a Ph.D. and M.A. in physics from...

Staff Page • Chemist. Biography Travis M. Anderson is a Distinguished Member of the Technical Staff at Sandia National Laboratories. He received his B.S degree in Chemistry from Mercer University in 1997 and his Ph.D. degree in Inorganic Chemistry from Emory University in 2002. His research interests include synthetic inorganic chemistry, battery materials...