Expert Sources

Sandia expert contacts

Sandia National Laboratories has an expert for you, from computing and artificial intelligence to energy and the environment; from homeland security and military defense to nanotechnology and robotics. To request an interview with one of our experts, call or email the associated Media Relations contact. Experts are based in Albuquerque, N.M., unless otherwise noted.

  • Artificial Intelligence

    William M. SeveraWilliam M. Severa specializes in machine learning, deep learning, artificial intelligence, neural computing and mathematics. He provides expertise on intelligent power-constrained systems, including self-driving and autonomous vehicles, satellites and edge/embedded computers. He has published more than 20 peer-reviewed publications and currently sits on the International Conference on Neuromorphic Systems program committee.
    Contact: Troy Rummler


  • Biological and Chemical Security

    Jennifer GaudiosoJennifer Gaudioso leads Sandia’s International Biological and Chemical Threat Reduction Program. Her teams have visited facilities in more than 40 countries to consult on biosecurity and chemical security issues. She heads the World Organisation for Animal Health’s Collaborating Centre for Laboratory Biorisk Management.
    Contact: Manette Newbold Fisher


  • Community Education

    Amy TapiaAmy Tapia manages Sandia's Community Involvement team and is responsible for employee and corporate giving, volunteerism and K-12 STEM (science, technology, education, and math) educational outreach. Tapia has been involved in education to encourage young students to pursue STEM careers for 20 years. She is an Albuquerque native, 1999 Leadership Albuquerque graduate, serves on the CNM Foundation, and has most recently been volunteering as a mentor and Court Appointed Special Advocate, or CASA.
    Contact: Luke Frank


  • Computing

    Big Data

    Erik DeBenedictisErik DeBenedictis specializes in advanced computing, including supercomputers and supercomputing and research into new computational paradigms, devices, circuits and algorithms, the latter often called "Beyond Moore's law."
    Contact: Neal Singer


    High-Performance Computing

    Michael HerouxMichael A. Heroux offers expertise in supercomputing, quantum computing, exascale computing, international parallel computing initiatives, scientific software, high-performance computing and benchmarks. He is director of software technology for the U.S. Exascale Computing Project.
    Contact: Troy Rummler



    Brad Aimone

    Brad Aimone is a computational neuroscientist whose expertise focuses on theoretical neuroscience of memory, design of neural computing architectures and neural machine-learning algorithms, and the application of neural computing to high-performance computing systems.
    Contact: Neal Singer


  • Cybersecurity

    Cybersecurity (Livermore, CA)

    Karim MahrousKarim Mahrous, senior manager of Sandia’s Information Security Sciences group, offers significant expertise in cybersecurity and data science.
    Contact: Michael Langley


  • Earth Science

    Daniel BowmanDaniel Bowman communicates a keen understanding of a diverse range of geoscience topics, including meteors, dust devils and earthquake sounds. A geophysicist and atmospheric scientist, he studies low-frequency sound using microphones on high-altitude balloons and is the inventor of the Heliotrope solar hot air balloon. His interests include the sounds of Earth and the other planets (particularly Mars and Venus), the dynamics of Earth’s stratosphere and troposphere and long-duration balloon flights.
    Contact: Kristen Meub


  • Energy

    Battery Abuse Testing Laboratory

    Joshua LambJoshua Lamb has extensive expertise working with lithium ion batteries in battery abuse and safety testing research for vehicle electrification and other large-scale applications. He also has considerable experience in thermal runaway of lithium ion batteries, battery failure, battery fire, vehicle electrification and more.
    Contact: Michael Baker


    Biofuels (Livermore, CA)

    John GladdenJohn Gladden works in Sandia's Biomass Science and Conversion Technology department, where he leads the algae program.
    Contact: Paul Rhien


    Hydrogen Technologies (Livermore, CA)

    Chris LaFleur

    Chris LaFleur is a fire protection engineer with 25 years of expertise in fire protection, risk management and engineering experience addressing fire risk in emerging technologies, hydrogen safety, fire probabilistic risk assessment, nuclear power plant fire risk and more. She is the chair of the National Fire Protection Association 2 Hydrogen Technologies Code and serves on the technical committee for NFPA 13 Standard for the Installation of Sprinkler Systems.
    Contact: Michael Langley


    Renewable Energy & Smart Grid

    Ross GuttromsonRoss Guttromson offers in-depth expertise in electric grid power systems through his extensive research on transmission system planning and expansion, including smart-grid interfaces, advanced operations, stochastic optimization and wide-area stability and control. He is currently researching the effects of high-altitude electromagnetic pulse effects on the electric power system. He holds two patents and has authored numerous publications.
    Contact: Kristen Meub



    Concentrating Solar Power

    Clifford K. Ho

    Clifford K. Ho is a mechanical engineer with Sandia’s Concentrating Solar Power Program with expertise in high-temperature receivers and large-scale energy storage technologies.
    Contact: Kristen Meub



    Joshua S. SteinJoshua S. Stein conducts multidisciplinary research on the performance and reliability of photovoltaic energy systems with the aim of breaking barriers for the integration of renewable energy sources onto the nation’s electrical grid.
    Contact: Kristen Meub


    Water Power Materials

    Bernadette Hernandez-SanchezBernadette Hernandez-Sanchez leads Sandia's Marine and Hydrokinetic (MHK) Advanced Materials Program and the Department of Energy's MHK Composite Materials Database. Applied research and development from the programs provide solutions to materials and coatings problems that could hinder a device’s construction, performance, maintenance or reliability. She develops renewable energy materials, marine composites and coatings.
    Contact: Neal Singer


  • Environment

    Climate Change

    Mark IveyMark Ivey, a specialist in atmospheric measurements and the Arctic climate, manages Sandia's climate research facilities for the Department of Energy in Alaska.
    Contact: Neal Singer



    Vincent TidwellVincent Tidwell is a hydrologist with expertise in water-resource modeling and management, resource planning, water-energy-land interdependence and climate impacts on humans and infrastructure. He served on former New Mexico Gov. Bill Richardson’s Blue Ribbon Task Force on water and was a lead author for the Water, Energy and Land Use chapter in the 2014 National Climate Assessment and the Energy Chapter in the 2018 assessment.
    Contact: Kristen Meub


  • Materials Science


    Wahid HerminaWahid Hermina manages Sandia's Materials Aging and Reliability group and has expertise in experimental and computational engineering sciences, material constitutive models, and microscale and nanoscale phenomena.
    Contact: Troy Rummler


    Research and Development

    Michael ValleyMichael Valley oversees materials science research and development, including creating new materials, computer modeling, biomaterials, self-assembled nanomaterials, materials characterization technologies and materials for applications ranging from national security to energy.
    Contact: Neal Singer


  • Micro Electro Mechanical Systems

    micro electro mechanical systemsKeith Ortiz manages Sandia’s Micro Electro Mechanical Systems (MEMS) Technologies department, which conducts research and development toward advanced MEMS devices.
    Contact: Neal Singer


  • Military and Defense

    Jason GuldanJason Guldan manages Sandia's Security System Design and Engineering department, and provides expertise in analysis, modeling and electronic security engineering capabilities. He has a broad background in physical security for large federal sites.
    Contact: Manette Newbold Fisher


  • Nanotechnology

    Biological-inspired Nanoscience

    George BachandGeorge Bachand is a bioengineer who uses expertise in nanoscale processes and knowledge of biology to design and develop biomimetic and bio-inspired nanomaterials and systems. He has used molecular engineering to design and enhance biological nanomachines, integrated biomolecular motors and pumps in nanosystems for autonomous sensing and used synthetic DNA to safely and securely store sensitive information.
    Contact: Troy Rummler


    Microsystems and Nanodevices

    Rick McCormickRick McCormick, senior manager, leads departments in Sandia's Microsystems Process Science & Technology group in the Center for Microsystems Science, Technology and Components. The group works on silicon and compound semiconductor electronics, photonics and radiation effects for such applications as harsh-environment radiation-hardened electronics and photonics, exascale computing and satellite sensing and communication.
    Contact: Troy Rummler


    Ronen Polsky

    Ronen Polsky is a Sandia materials scientist exploring nanomaterials, biosensors and other medical and health-related innovations. He led the design of a microneedle sensor, a device that continually samples important biomarkers in a subject’s interstitial fluid to help monitor and diagnose numerous diseases and disorders.
    Contact: Neal Singer



    Hongyou FanHongyou Fan of Sandia's Materials Science and Engineering Center focuses on synthesis and integration of nanostructured materials and their applications in nanoelectronics and nanophotonics.
    Contact: Neal Singer


    Nanotechnology (Livermore, CA)

    Francois LeonardFrançois Leonard specializes in nanoelectronics and nanophotonics, particularly carbon nanotubes, nanowires and metal-organic frameworks, with applications in next-generation electronics and photodetectors.
    Contact: Michael Langley


  • Nuclear Nonproliferation

    William M. Severa

    Mark W. Smith is a passive and active optical remote sensing expert especially interested in the application of remote sensing to detect and monitor the proliferation/non-proliferation of weapons of mass destruction. He also is interested in detecting and characterizing explosions and conducts research and development work for the Office of Defense Nuclear Nonproliferation Research and Development.
    Contact: Kristen Meub


  • Physics

    Z Pulsed-Power Machine & High Energy Density Science

    Daniel SinarsDaniel Sinars, senior manager of Sandia's Radiation and Fusion Physics group, oversees research on inertial confinement fusion and other high energy density (HED) science work. HED and fusion physics encompass laboratory research on extreme states of matter at pressures one million times greater than atmospheric pressure.
    Contact: Neal Singer



    Igal BrenerIgal Brener is a senior scientist specializing in optics, semiconductors, condensed matter physics, ultrafast lasers, metamaterials, nanophotonics and terahertz science and technology. He has conducted in-depth research in fiber optical communication, nonlinear lithium-niobate waveguide devices and semiconductor heterostructures. He is also a staff scientist at the Center for Integrated Nanotechnologies, a Department of Energy user facility for nanoscience.
    Contact: Troy Rummler


    Patrick ChuPatrick B. Chu manages Sandia’s Applied Photonics Microsystems department, which performs cutting-edge research in silicon photonics and nanophotonics for optical communication, sensing, radio frequency and quantum applications critical for national security.
    Contact: Troy Rummler


  • Radiation

    Steven FarmerSteven Farmer oversees the Radiation Protection Program at Sandia, including monitoring radiation hazards and prescribing controls for the various radiological activities performed in support of Sandia’s mission. Farmer offers a significant depth of expertise in health physics, like radiological instrumentation, analytical services, dosimetry and radiological event response. He also is a member of the U.S. Nuclear Incident Response Team.
    Contact: Stephanie Holinka


    Walen MickeyWalen Mickey is an expert in radiation safety (health physics) with extensive knowledge of the radiation sources at Sandia National Labs. He holds a B.S. in physics and an M.S. in nuclear engineering. He is a certified health physicist and a past president of the Health Physics Society, Rio Grande Chapter.
    Contact: Stephanie Holinka


    Gus PotterGus Potter has more than two decades of experience and expertise in determining radiation doses and associated effects on humans. He performs systems analysis studies on the risk and consequences of acts of radiological terrorism, including adversary motivation and capability, availability and security of radiological sources, consequences of using radiological devices and ways to mitigate threats and consequences. He is a Fellow of the Health Physics Society and a director of the American Academy of Health Physics.
    Contact: Kristen Meub


  • Robotics

    Stephen Buerger

    Stephen Buerger excels in novel robotics, unmanned systems, and autonomous and advanced real-time control systems. He provides expertise in advanced mobility systems, small-scale electromechanical systems and biomedical technologies focused on physically interactive manipulation. He also is versed in energy-efficient and high-performance actuator technologies, as well as biomedical and human-interactive technologies.
    Contact: Manette Newbold Fisher


  • Semiconductor Materials

    Jeff TsaoJeff Tsao is internationally recognized as a pioneer and leader in solid state lighting. He works on integrated science, technology and economic modeling in semiconductor and energy technologies and the “science of team science."
    Contact: Neal Singer


  • Technology Transfer

    Small Business Partnerships

    Del SalazarDel Salazar manages Sandia’s Small Business Program and leads the execution of Sandia’s small business subcontracting plan and supplier diversity efforts.
    Contact: Michael Baker


    Tech Transfer and Economic Development

    Jackie Kerby MooreJackie Kerby Moore has extensive expertise in technology-based economic development, industry partnerships, technology commercialization, public-private partnerships, entrepreneurial programs, research parks and collaborative spaces. She works with the Sandia Science & Technology Park, Entrepreneurial Separation to Transfer Technology, New Mexico Small Business Assistance, Center for Collaboration and Commercialization, Entrepreneur Exploration and more.
    Contact: Manette Newbold Fisher


    Jason MartinezJason Martinez is Sandia’s lead Cooperative Research & Development Agreement, or CRADA, specialist. Having negotiated and executed hundreds of CRADAS, he is recognized as an expert in CRADA development and facilitation. CRADAs facilitate critical collaborative research with a multitude of nonfederal entities on Sandia-developed technology and capabilities.
    Contact: Michael Baker


  • Transportation

    Aviation Research

    Dennis RoachDennis Roach has expertise in experimental and analytical assessment and nondestructive inspection of structures and mechanical systems. He specializes in damage tolerance and inspection of composite and metallic structures, including developing sensors for in-situ monitoring. He works to maintain aging aircraft airworthiness and extend advanced aviation technology to energy infrastructure, civilian industries and homeland security.
    Contact: Manette Newbold Fisher


    Combustion Research Facility (Livermore, CA)

    John DecJohn Dec, an engine researcher and senior scientist at Sandia's Combustion Research Facility, is a renowned expert on low-temperature gasoline combustion, including homogeneous charge compression ignition.
    Contact: Michael Langley


    Craig TaatjesCraig Taatjes manages Sandia's Combustion Chemistry department, where he researches fundamental flame chemistry and the kinetics of elementary reactions important in combustion.
    Contact: Michael Langley


    Paul MilesPaul Miles manages Sandia's Engine Combustion department, which seeks to increase understanding of internal combustion engine processes that affect efficiency and emissions.
    Contact: Michael Langley