Lawrence Livermore National Laboratory

HPC4Mfg | Industry Engagement Day 2017

Speaker Bios

Richard (Rick) Arthur is responsible for the vision, strategy, and coordination of employing cutting-edge computing technologies on GE applications that can range from embedded devices through supercomputing-scale workloads.

As the technology hub for General Electric Company, the research lab employs the broad range of technology expertise critical to competitive advantage in materials, manufacturing, financial services, controls and automation, power generation and transmission, oil and gas infrastructure, water treatment, medical imaging, pathology, and life science. Computing is a transformational element across all of these, and over ten years Rick built an Advanced Computing Laboratory with a broad view of the emerging landscape.

Rick represents GE on the U.S. Council on Competitiveness HPC Advisory Council, American Society of Mechanical Engineers’ Virtual Validation Institute, the National Science Foundation’s Advisory Committee for Cyber-Infrastructure and the Science & Engineering Technical Advisory Council for the Blue Waters supercomputer. During his 25 year GE career, he has worked with most of GE’s businesses as well as Defense Advanced Research Projects Agency, National Broadcasting Company, Lockheed-Martin, and research labs for the Air Force, Navy, and Department of Energy.

Rick has a B.S. from Clarkson University, an M. Eng. from Rensselaer Polytechnic Institute, an M.B.A. from the University at Albany, and was selected a Senior Member of the Association for Computing Machinery.

Mario Longhi is president and chief executive officer of United States Steel Corporation and serves on the company’s Board of Directors. In these roles, he is applying his experience as a proven leader in manufacturing and of corporate transformations to his oversight of U. S. Steel’s own transformation journey. Known as The Carnegie Way, this multi-year effort aims to build value for all of the company’s stakeholders and return U. S. Steel to sustainable profitability throughout the business cycle. Under Mr. Longhi’s leadership, The Carnegie Way is facilitating profound cultural, financial and operational flexibility and effectiveness at the company. This is being achieved through an intense focus on developing collaborative customer relationships, driving operational excellence, fostering innovation and creating cutting-edge solutions to address our customers’ current and future needs.

Mr. Longhi is also considered a thought leader on the subject of global trade. He has served as one of the steel industry’s leading voices on this subject, and he has worked with elected officials and regulators at all levels of government in both the United States and the European Union. Mr. Longhi’s advocacy has played a key role in global efforts to curtail government-supported overcapacity and ensure that market forces, not market-distorting practices, drive supply and growth among steel companies.

Mr. Longhi has held a series of increasingly responsible executive leadership roles since he joined U. S. Steel in July 2012 as executive vice president & chief operating officer. He was appointed president and chief operating officer in June 2013 and was elected president and chief executive officer in September 2013.

Tom Lange, (BsChE U. of Missouri, Columbia, 1978) is a 36 year veteran of Procter & Gamble (P&G), where he founded and led P&G's organizational Modeling & Simulation (M&S) group--Retiring as Director of R&D Modeling & Simulation in Jan. 2015.

Tom spent his professional career modeling and simulating formulations, products and production systems. Using technology to span the scales from atoms to the store shelf. Analysis and optimization ranged from how hot air roasts peanuts and coffee, to how baby sizes affect urine leaks in a diaper. It spanned the disciplines from Consumer Modeling, Computational Chemistry & Biology, Computer Aided Engineering (Structures, Fluids, Controls, Chemical Engineering, Empirical), and Production System Throughput & Reliability. Tom now spends his professional time consulting with Public and Private enterprises on ways to improve their competitive edge through the use of the latest computing based modeling & simulation tools.

Mark Johnson, Ph.D., serves as the Director of the Advanced Manufacturing Office (AMO) in the Office of Energy Efficiency and Renewable Energy (EERE). AMO is focused on creating a fertile innovation environment for advanced manufacturing, enabling vigorous domestic development of new energy-efficient manufacturing processes and materials technologies to reduce the energy intensity and life-cycle energy consumption of manufactured products.

Previously, Mark served as a Program Director in the Advanced Research Projects Agency–Energy (ARPA-E) where he had the longest tenure in that post—from ARPA-E’s formation in 2010 to mid-2013. At ARPA-E, Mark led initiatives to advance energy storage and critical materials, as well as projects in small business, advanced semiconductor, novel wind architectures, superconductors and electric machines.

He also served as the Industry and Innovation Program Director for the Future Renewable Electric Energy Delivery and Management (FREEDM) Systems Center. This is a National Science Foundation Gen-111 Engineering Research Center targeting the convergence of power electronics, energy storage, renewable resource integration and information technology for electric power systems.

Mark joins EERE on assignment from North Carolina State University, where he is an Associate Professor of Materials Science and Engineering. His research has focused on crystal growth and device fabrication of compound semiconductor materials with electronic and photonic applications. Mark also taught in the Technology, Entrepreneurship and Commercialization program jointly between the NC State Colleges of Management and Engineering. In addition to his academic career, Mark is an entrepreneur and early stage leader in Quantum Epitaxial Designs (now International Quantum Epitaxy), EPI Systems (now Veeco) and Nitronex (now GaAs Labs).

Mark has a bachelor’s degree from MIT and a Ph.D., from NC State, both in Materials Science and Engineering.

Barbara Helland is currently the Associate Director of the Office of Science’s Advanced Scientific Computing Research (ASCR) program. Barb previously served as ASCR’s Facilities Division Director. In addition to her Division Director duties, Barb led the development of Office of Science’s Exascale Computing Project to deliver a capable Exascale system by 2023. Prior to assuming the role of Division Director, she served as the Program Manager for ASCR’s Argonne and Oak Ridge Leadership Computing Facilities and the National Energy Research Scientific Computing Center. She was also responsible for the opening ASCR’s facilities to national researchers, including those in industry, through the expansion of the Department’s Innovative and Novel Computational Impact on Theory and Experiment (INCITE) program. Prior to DOE, Barb developed and managed computational science educational programs at Krell Institute. She also spent 25 years at Ames Laboratory working closely with nuclear physicists and physical chemists to develop real time operating systems and software tools to automate experimental data collection and analysis and in the deployment and management of lab-wide computational resources.

More than a decade of executive leadership in building and advancing the development, research and policy agenda for a globally prominent, non-governmental organization – tripling total revenue; raising and managing $10 million plus in project-specific funding; and, creating international, national, regional, and local public-private partnerships.

As U.S. Council on Competitiveness EVP overseeing all programs and initiatives, Chad develops and manages the Council’s complete policy agenda and workstream, including most recently: creating the Exploring Innovation Frontiers Initiative with the National Science Foundation and the American Energy & Manufacturing Competitiveness Partnership and the Accelerate Energy Productivity 2030 Partnership with the U.S. Department of Energy; helping to launch the National Engineering Forum to elevate attention to the roles engineers and the engineering enterprise play in driving long-term prosperity; building and shepherding the Council’s Technology Leadership and Strategy Initiative (TLSI), engaging more than 40 Fortune 500 chief technology officers.

Chad has also helmed CEO-level innovation dialogues with key global partners across Latin America, Europe and Asia. In particular, he has developed and executed a series of global innovation summits: with the EU and Japan in 2005, and more deeply with Brazil over the past decade. In addition to leading the development to date of 3 US-Brazil Innovation Summits, Chad has co-created 15 US-Brazil Innovation Learning Labs and manages the US-Brazil Bi-National Innovation Platform. He has also co-chaired the President Obama and (former) President Rousseff U.S.-Brazil Innovation Working Group.

Chad holds an MS from the Georgetown University School of Foreign Service, an Honors concentration in International Business Diplomacy from Georgetown's Landegger Program, and a BA in International Affairs from Emory University. He is member of the Texas A&M Engineering Experiment Station Advisory Board; an ARCS Foundation National Science and Engineering Advisory Council member; a US German Marshall Fund Fellow; treasurer for the Global Federation of Competitiveness Councils; a member of the board of the India Council on Competitiveness; a steering committee member of the South Big Data Hub; and a past member of the Lawrence Livermore National Laboratory Industry Advisory Council and World Economic Forum Advisory Board on Russian Competitiveness.

Lori Diachin is the Director for the HPC4Manufacturing Program at Lawrence Livermore National Laboratory. This program is funded by the Office of Advanced Manufacturing and supports the demonstration of use of high performance computing to improve energy efficiency and clean energy technologies in the manufacturing sector. She is the Lawrence Livermore point of contact for the Advanced Scientific Computing Research (ASCR) office in the DOE’s Office of Science and the point of contact for the Computation Directorate Laboratory Directed Research and Development portfolio. Through these latter two activities she manages a research portfolio of approximately $15M in mathematics, high performance computing, and data science. Lori is also currently the acting Department Head for Information Technologies in the Computation Directorate at LLNL. This organization comprises over 400 experts in business application development, workforce enablement tools, enterprise infrastructure support, desktop and service center support.

Lori Diachin has over 25 years of experience in high performance computing research where her areas of expertise include mesh quality improvement, mesh component software, numerical methods, and parallel computing. Before joining LLNL, Lori was a computer scientist at Argonne National Laboratory and a Member of the Technical Staff at Sandia National Laboratory. Lori received her Bachelors degree in Mathematics from Edinboro University of Pennsylvania in 1988 and her Ph.D. in Applied Mathematics from University of Virginia in 1992.

Mr. Voorakkara was recently appointed by Governor Brown as the Deputy Director for External Affairs at the Governor’s Office of Business and Economic Development. He is responsible for promoting California business investment resources with businesses, economic development stakeholders, local communities, site selection consultants and trade associations. Prior to this appointment, Mr. Voorakkara was appointed by the Governor in May 2013 as a Senior Business Development Specialist. In that capacity, he worked directly with companies to receive credits and incentives from the state for job growth, attraction, expansion and retention. He also partners with our elected delegation and other public and private economic development stakeholders to develop long-term initiatives to grow and expand the region’s economic outputs.

Mr. Voorakkara spent nearly a decade prior to this service as a Program Manager with The California Endowment, the state’s largest private foundation. In this capacity, Mr. Voorakkara was The Endowment’s statewide strategic officer on building pathways into high-wage, high-growth jobs.

Additionally, Mr. Voorakkara spent ten years as a communication and media specialist in public and private positions. He is a San Diego City Ethics Commissioner, is the Chair of the San Diego City College Foundation Board of Directors and is a member of the San Diego Community College Trustees Advisory Council.

Dr. Darren Mollot is the Associate Deputy Assistant Secretary for Clean Coal and Carbon Management in the Office of Fossil Energy at the U.S. Department of Energy (DOE). In this position, Dr. Mollot provides strategic direction, planning, and coordination to accelerate progress in technology research on advanced fossil energy and carbon capture and storage (CCS) systems. He advises and supports the Deputy Assistant Secretary and Office Directors in identifying emerging opportunities, optimizing the use of available resources, and shaping new strategies and partnerships to meet aggressive technical goals.

In his previous position as Office Director for Advanced Fossil Technology Systems, Dr. Mollot guided research, development, and demonstration efforts in fossil power generation technologies (gasification, combustion, and fuel cells), carbon capture utilization and storage technologies, and cross-cutting programs (materials, computer simulations, and sensors and controls). He has served DOE in various roles since 1992, most notably as a Research Scientist and Project Manager at the National Energy Technology Laboratory, Technical Liaison and start-up Team Lead at the National Carbon Capture Center, and Acting Deputy Assistant Secretary for the Office of Clean Coal and Carbon Management. In 1999, he was selected as a Congressional Science Fellow and served for a year on Senator Rockefeller’s staff, providing analysis and insight on science and technology issues.

Prior to joining DOE, Dr. Mollot worked in the private sector, holding positions with IBM and Westinghouse Electric Corporation. He earned his Doctor of Philosophy from the State University of New York at Buffalo in Mechanical and Aerospace Engineering.

Robin earned a B.S. in mechanical engineering from the Massachusetts Institute of Technology, a M.S. in mechanical engineering from Stanford University, and a M.B.A. from the University of California at Berkeley. Robin started working at Lawrence Livermore National Laboratory (LLNL) after working at several Silicon Valley start-up companies such as Redwood Microsystems and K2 Optronics where she lead product development teams. Robin served as a group leader in the Microtechnology Center at LLNL for over 10 years working on Micro-Electro-Mechanical devices (MEMS) and leading projects building chemical/biological detection systems. Within the NIF-laser directorate, Robin led the target engineering effort for the Laser Inertial Fusion Energy (LIFE) team which included investigation of mass manufacture of IFE targets, target injection and thermo-mechanical survival of the target during injection into a fusion energy chamber. Robin is currently a Deputy Division Leader within LLNL's Engineering Directorate and is the Program Manager for the HPC4Mfg program. She is the author of several patents and publications.

Dr. Chenn Zhou is the founding Director of the Steel Manufacturing Simulation and Visualization Consortium (SMSVC) and the Center for Innovation through Visualization and Simulation (CIVS), and Professor of Mechanical Engineering at Purdue University Northwest, and Professor by Courtesy at Purdue University West Lafayette.

Dr. Zhou received her B.S. and M.S. degrees in power engineering from Nanjing University of Aeronautics and Astronautics, China, and a Ph.D. in mechanical engineering from Carnegie Mellon University. She joined Purdue University Northwest in 1994 after three years of industrial experience. She has more than 34 years of experience in the areas of computational fluid dynamics (CFD), combustion, energy, multiphase reacting flows, and air pollution control and is on the cutting edge in the integration of computer simulation and virtual reality visualization. She has been developing state-of-the-art CFD models and applied them to aluminum, glass, refinery, steel, and power industries. In 2009, she established the CIVS to integrate advanced computer simulation and virtual reality visualization technologies to provide innovative virtual training tools as well as cost-effective solutions to various real world problems. CIVS has made significant economic and educational impacts and saved more than $38 million for companies.

Dr. Zhou has conducted a large number of funded research projects totaling over $20 million and collaborated with many experts from over 98 organizations including academia, national laboratories, and industries. Dr. Zhou has published more than 340 technical papers, five copyrighted CFD codes, and two patents. She has received numerous awards including the R&D 100 Award in 2004, the Medal Award by the American Iron and Steel Institute in 2005, the J. Keith Brimacombe Memorial Lecture Award by the Association of Iron and Steel Technology (AIST) in 2010, the 2012 Chanute Prize for Team Innovation, and the 2014 International Thermoelectric Society Outstanding Poster Award. She and her co-authors received the AIST Josef S. Kapitan Award in 2005, 2016, and 2017 as well as the AIST Computer Applications Best Paper award in 2006 and 2017.

Dr. Zhou has been a Fellow of the American Society of Mechanical Engineers since 2003, and a Fellow of the Innovation Society since 2005. Dr. Zhou has been very active in professional societies.

Dr. Christopher Herbst has broad responsibilities as the Vice President of Government Programs at Eaton. He creates partnerships with governments around the world to build teams of customers, suppliers, universities and national laboratories to explore novel technologies and generate organic growth. This includes programs in the United States, UK, France, The Netherlands, Austria, Germany, Switzerland, Czech Republic and at the European Union level. Applications broadly include smart grids, renewable energy, vehicle technologies, advanced materials, power electronics and additive manufacturing.

He is also responsible for creating the Open Innovation strategy for the company, mapping organic growth strategies and technology platforms to a network of strategic partners to construct a global virtual research team. Herbst also currently serves as the Global Technology Director for the Data Science Technologies group, with teams in the United States, China and India. The focus includes platform business models, servitization, critical power and aging infrastructure and connected and intelligent vehicles.

Herbst has degrees in Chemistry from Columbia University (B.A.) and Arizona State University (Ph.D.) and was a postdoctoral fellow at Harvard University and Exxon Corporate Research Science Laboratories.

Dr. Barron Bichon manages the Probabilistic Mechanics section at Southwest Research Institute. His team’s research focuses on computational reliability analysis; data analysis; and model calibration, validation, and uncertainty quantification. They also develop the NESSUS, CENTAUR, and DARWIN software packages. Barron serves as the Validation & Certification Cross-Cut Technology Lead at LIFT, was recently chair of the AIAA Non-Deterministic Approaches Technical Committee, and was a 2015 participant in the National Academy of Engineering Frontiers of Engineering Symposium. He has a B.S. from The University of Memphis, an M.S. from the University of Illinois at Urbana-Champaign, and a Ph.D. from Vanderbilt University, all in Civil Engineering.

Dr. Gallardo received in B.Sc, and M.Sc, in Mechanical Engineering from the Polytechnic of Turin, Italy and he developed his master thesis at the Field and Space Robotics Laboratory, MIT. In 2014 Dr. Gallardo received his Ph.D. in aeronautical engineering from the Rensselaer Polytechnic Institute. Dr. Gallardo is the cofounder and VP of Business Development of Actasys Inc., a platform technology company developing revolutionary active aerodynamic solutions. Leveraging his multifaceted background, Dr. Gallardo lead the business development efforts of Actasys, positioning the company as a world leader in active aerodynamic solutions market.

Peter Nugent received a B.A. from Bowdoin College in 1990 followed by a MS and PhD in Physics from the University of Oklahoma in 1997. Nugent came to Berkeley in 1996 to work with Saul Perlmutter's Supernova Cosmology Project in the Physics division at Lawrence Berkeley National Laboratory, where the group made the first measurements of the accelerating universe. He then moved to the Computational Research Division in 2000 and subsequently co-founded the Computational Cosmology Center in 2010. That same year he became a Senior Staff Scientist at LBNL and an Adjunct Professor in the Astronomy Department at UC Berkeley. He is currently the Division Deputy for Scientific Engagement and the Department Head for Computational Scinece in LBNL's Computational Research Division.

Dr. Jeff Roberts is currently the Director of Advanced Energy Technologies at Lawrence Livermore National Laboratory. He has been at Lawrence Livermore National Lab since 1992. During his time there he has served as a staff scientist, the Deputy Division Leader for Science and Technology of the Atmospheric, Earth, and Energy Division, as well as the Program Leader for Renewable Energy.

Dr. Roberts received his B.S. degree from UT San Antonio in Applied Science and his Ph.D. in Geoscience from Arizona State University where he studied mineral physics. His research at LLNL has focused on transport properties of minerals and porous media, characterization of materials using experimental techniques and x-ray micro-tomographic imaging, transparent ceramics and scintillators. He has numerous publications and seven patents related to his research.

His current interests include energy generation and energy systems, materials for energy and helping industry solve their technical needs by leveraging national laboratory capabilities. He helped found the HPC4Mfg program and continues to serve as a member of the Board of Directors.

Dr. Roberts has been very active in professional societies including the American Geophysical Union, the Geothermal Resources Council, the Minerals, Metals and Materials Society and the Materials Research Society. For the AGU he served on the AGU Mineral Physics Executive Committee, and as Editor for EOS.

Thomas W. Wideman is the Senior Materials Engineer at Actasys Inc. His primary responsibility is the development of next generation piezoelectric-driven actuators used to reshape the aerodynamics and improve the fuel efficiency of heavy trucks. Prior to joining Actasys, Tom was the CTO of Potter Drilling, Inc., leading the technical development of cutting-edge drilling technologies for Engineered Geothermal Systems. In addition, Tom is the Principal of XRG consulting, providing materials development and business strategy for clients ranging from angel and private equity investors, start-ups, universities, and Fortune 50 companies.

Graduating from University of Pennsylvania with a Ph.D. in Inorganic Chemistry, Tom's work spans a wide range of technologies including high performance composites, superconductors, anodes for lithium ion batteries, supercapacitors, flow batteries, compressed air energy storage, microgrid storage, novel materials for piezoelectric energy harvesting, liquid dessicant-based HVAC, composite tanks and tank linings for thermal energy storage and more. All of the projects are unified by the single theme of advanced materials in energy applications. Tom is both professionally and personally dedicated to supporting the development of clean, alternative energy systems.

As an outdoor enthusiast, Tom lives on the edge of the Blue Hills Reservation in Massachusetts with his wife, and enjoys trail running, mountain biking, skiing, and windsurfing. His greatest joys, however, come from sharing his enthusiasm for science with their two boys.

Wayne King currently serves as Project Leader of the Accelerated Certification of Additively Manufactured Metals Project at LLNL ( This project is focused on developing physics-based models relating microstructure, properties, and process to performance of materials and includes predictive models for the laser powder bed fusion process. The project also focuses on using integrated in-process sensing, monitoring, and control technologies to accelerate part qualification.

He has 25 years of experience at Lawrence Livermore National Laboratory ranging from fundamental materials research and programmatic science to research management. Dr. King received his B.A. degree from Thiel College in Physics and Mathematics and his Ph.D. from Northwestern University in Materials Science and Engineering. He has worked in the areas of radiation effects, high temperature oxidation, atomic structure of interfaces, grain boundary engineering, and additive manufacturing. He is author or co-author of over 100 peer reviewed publications and is founder of the Frontiers of Electron Microscopy in Material Science series of international conferences.

David Turpin is executive director of the forest products industry’s Agenda 2020 Technology Alliance, an industry-led consortium that promotes development of advanced technologies for the pulp and paper industry. As executive director, he oversees identification of the industry’s technology research priorities and development of strategies to address them, building partnerships and identifying potential funding sources. Prior to joining Agenda 2020, he served for more than 25 years with MeadWestvaco and its predecessor Mead Corporation. Most recently, he was Vice President, Innovation Systems, and prior to that served as Vice President, Packaging Materials and Processing. He holds a degree in paper science from North Carolina State University.

Prasad obtained his undergraduate degree in Metallurgical engineering from the Indian Institute of Technology, Bombay and a PhD in Metallurgy from McMaster University in Hamilton, Ontario, Canada. He has worked in the field of Research and development for materials processing for the last 35 years in Canada and the USA. He has been with Harper International for the last four years. His group includes several scientists and engineers focused on developing processes and equipment for high temperature thermochemical processing of materials.

John Turner is Group Leader of the Computational Engineering & Energy Sciences Group (CEES) at Oak Ridge National Laboratory (ORNL) and Chief Computational Scientist for the Consortium for Advanced Simulation of Light Water Reactors. He is also a Joint Faculty Professor in both the Bredesen Center for Interdisciplinary Research and Graduate Education at the Univ. of Tennessee in Knoxville and the National Center for Computational Engineering at the Univ. of Tennessee in Chattanooga.

After completion of a Ph.D. in Nuclear Engineering from North Carolina State University, Dr. Turner joined Los Alamos National Laboratory (LANL) and worked in radiation transport, fluid flow, and numerical methods. He was one of the original developers of the Truchas computer code, developed as part of the NNSA/ASC program for metal casting (and to some extent welding) simulation, and now being applied to metal additive manufacturing.

In 1997 John left LANL to join Blue Sky Studios, a computer animation company outside New York City, earning credits on the Academy Award-nominated feature film “Ice Age” as well as the Oscar-winning short animated film “Bunny”.

In 2001 Dr. Turner returned to LANL and became Group Leader of the Computational Physics Group, a group of over 70 Ph.D. scientists, students, and other staff conducting research in modeling & simulation of physical phenomena for applications ranging from ocean & climate to nuclear weapons and nuclear energy systems. He led an internally-funded R&D effort to investigate hybrid computing architectures such as video cards (GPUs) as high-performance co-processors, and subsequently led the Advanced Algorithms & Applications team for the Roadrunner supercomputer. Roadrunner augmented standard processors with enhanced versions of the processor used in PlayStation 3 game consoles, and was the first system to achieve a sustained performance exceeding 1 PetaFlop/s (1015 operations per second).

In 2008 John moved to ORNL to form CEES, a new group focused on developing and applying advanced simulation tools to applications such as nuclear energy and electrical energy storage. Dr. Turner is serving as the ORNL lead for the High Performance Computing for Manufacturing (HPC4Mfg) program. Launched by EERE’s Advanced Manufacturing Office, HPC4Mfg is applying HPC expertise and technology to industry challenges in manufacturing in order to optimize processes and reduce energy consumption.

Dr. Skinner is Strategic Partnerships Lead at the NERSC (National Energy Research Scientific Computing) user facility. His work focuses on innovating how science teams access HPC (high performance computing) for collaborative science. Areas of specialization include HPC web portals, REST APIs, data-driven workflows and services, and application performance optimization. David was the lead technical consultant to first two rounds of DOE’s INCITE projects, led the SciDAC Outreach Center, and is an author of the Integrated Performance Monitoring (IPM) framework.

Dr. Allu is a computational scientist at ORNL, has served as a principal investigator on various DOE computational science projects. He has background in developing computational infrastructure to model multiscale transport for energy storage systems. He is the lead developer for VIBE (Virtual Integrated Battery Environment) under the CAEBAT project and an open source 3D simulation tool AMPERES (Advanced Multi-Physics for Electrical and Renewable Energy Storage) that models coupled multi-physics phenomenon for batteries. He also has significant expertise in developing numerical techniques for high speed compressible flows and modeling thermal contact resistance between nuclear fuels.


    1999 - Ph.D., Numerical Analysis, Paris VI University, Paris, France

Professional experience

    2010 – present: Research Staff, Lawrence Livermore National Laboratory, Livermore, CA

    2007­–2010: Research Associate, Stanford University, Stanford, CA

    2001­–2007: Research Staff, Sandia National Laboratories, Livermore, CA

    1999–2001: Postdoctoral Fellow, California Institute of Technology, Pasadena, CA

Recent publications

  • Sylvie Aubry, Moon Rhee, Gregg Hommes, Vasily Bulatov, and Athanasios Arsenlis, "Dislocation dynamics in hexagonal close-packed crystals", Journal of the Mechanics and Physics of Solids, 94, 105-126 (2016).
  • Chi-Chin Wu, Sylvie Aubry, Athanasios Arsenlis, and Peter Chung, "Binary dislocation junction formation and strength in hexagonal close-packed crystals", International Journal of Plasticity, Volume 79, pp. 176-195.
  • Bing Liu, Sylvie Aubry, and Athanasios Arsenlis, "Computing forces on interface elements exerted by dislocations in an elastically anisotropic crystalline material", MSMSE, 24(5):055013(2016).
  • Haidong Fan, Sylvie Aubry, Athanasios Arsenlis and Jaafar El Awady "Grain size effects on dislocation and twinning mediated plasticity in magnesium", Scripta Mater., vol. 112, pp. 50-53 (2016).

Debbie Bard is a Big Data Architect at the National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory. A native of the UK, her career spans research in particle physics, cosmology, and computing on both sides of the Atlantic. She obtained her PhD at Edinburgh University, and worked at Imperial College London and SLAC National Accelerator Laboratory before joining the Data and Analytics group at NERSC, where she focuses on data-intensive computing and research.

Victor Beck is a research engineer at LLNL focused on applying High Performance Computing to solve problems in the physical and biological sciences. Prior to joining LLNL, Dr. Beck served as research staff at Xerox PARC where he pioneered new aerosol generation technologies and spear-headed thermal/fluid simulation for the hardware labs. Before joining PARC, he was a Senior Postdoctoral Scholar at Caltech, working on nucleic acid folding models. He attained his Ph.D. in Chemical Engineering from Stanford University, where his thesis work focused on polymer unravelling dynamics in microfluidic devices.

Vic is a scientist and former group leader in the Computational Engineering Division at Lawrence Livermore National Laboratory with a background in Computational Physics, Machine Learning, and System Dynamics and over 30 years of experience in industry and government research. He is passionate about using computers – from low-power embedded systems to world-class supercomputers – to solve problems. Vic received a Ph.D. in Engineering, Applied Science from University of California at Davis. His current work at LLNL includes simulation modeling and analysis, development of fluid dynamics applications, and enterprise modeling. Vic was also honored with the national 2013 Community Service award from Great Minds in STEM.

Marc works in The Center for Computational Sciences and Engineering (CCSE) at LBNL, developing algorithms for large-scale scientific computing for complex fluid flow problems. Marc has contributed to projects associated with compressible and low Mach number astrophysics, compressible and low Mach number terrestrial combustion, and reacting multiphase flows in subsurface porous media. The common theme is the development of highly efficient algorithms that exploit known separations in scale (spatial and/or temporal), and which are applied in the context of high-performance supercomputing. Most recently, Marc is also involved with uncertainty propagation in large complex applications using techniques based on Bayesian statistics, Markov chain Monte Carlo and implicit sampling.

Dr. Zhili Feng leads the Materials Joining Team, and is a Distinguished R&D Staff of Oak Ridge National Laboratory, where he manages over 20 scientists and supporting staff conducting both fundamental and applied R&D and technology innovations for diverse interdisciplinary subjects related to materials joining and allied materials manufacturing processes. He is also a Joint Faculty of University of Tennessee, Knoxville, and Guest Profession of Tsinghua University, Beijing, China. A Fellow of American Welding Society and an internationally known researcher, Dr. Zhili Feng’s research covers various aspects of thermal-mechanical-metallurgical behaviors of materials in materials joining. He has made seminal contributions in several important areas such as integrated computational welding engineering (ICWE), proactive weld residual stress control, innovations in material joining including friction stir welding/processing and solid state dissimilar material joining, and application of advanced neutron and synchrotron scattering tools to study the fundamentals of weld microstructure evolution and effects on weld properties and performance of welded structures. With over 25 years R&D experience, Dr. Feng has proven record in developing and leading major multi-million-dollar R&D programs to advance materials joining and manufacturing science and technologies for automotive, nuclear energy, fossil energy, hydrogen energy, and defense applications. Dr. Feng has broad interactions with industry, and demonstrated experience in solving critical industry problems. In 2015, he received special recognition from Dr. David Danielson, Assistant Secretary for Energy Efficiency & Renewable Energy, U.S. Department of Energy, for his leadership in developing technology solutions to use advanced high-strength steels in auto-body components. Dr. Feng has over 200 publications and 8 patents. Dr. Feng received his PhD in Welding Engineering from The Ohio State University, and MS and BS degrees in materials science and mechanical engineering from Tsinghua University, Beijing, China.

Dr. Aaron Fisher has long experience in simulation code development, utilizing multiphysics CFD codes, HPC, and integrating these skills to solve industry problems. These efforts stretch back to the late 1990s with work at Sandia National Laboratories on next generation lithography in collaboration with the microprocessor industry. Recently Aaron has been leading efforts in collaboration with Purdue Calumet and a consortium of steel industry partners to model and improve iron making processes.

Yue Hao is a research scientist at Lawrence Livermore National Laboratory. He received his PhD in Mechanical Engineering from the Johns Hopkins University. His research interests include multiphase flow and reactive transport in porous media, computational fluid dynamics, and scientific computing.

Ryne C. Johnston is a postdoc in the UT/ORNL Center for Molecular Biophysics at Oak Ridge National Laboratory, where he is a computational chemist studying small molecule catalysts and biogeochemical processes. He specializes in uncovering the chemical factors governing reactivity and selectivity and exploiting the factors to rationally design improved catalysts or processes. A 2015 graduate of Oregon State University with a PhD in Chemistry, Johnston has also been a visiting scholar to the University of Queensland.

Dr. Balasubramaniam Radhakrishnan is a Senior Research Staff in the Computer Science and Mathematics Division at Oak Ridge National Laboratory (ORNL) and a Joint Faculty Professor at the Department of Mechanical, Aerospace and Biomedical Engineering at the University of Tennessee at Knoxville. He has roughly 20 years of experience in utilizing HPC for the modeling of processing-microstructure-property linkages in structural and functional alloys using various techniques such as Monte Carlo, phase field, crystal plasticity and molecular dynamics, and inverse modeling using multi-objective optimization techniques. He is a co-author in 55 journal publications with a Science Citation h-index of 16.0, 30 publications in conference proceedings, 2 book chapters, and 2 patents. He has served as the PI for a number of Laboratory Directed R&D programs within ORNL as well as PI or Co-PI on several projects funded by DOE program offices including Office of Science, Vehicle Technologies Office, Propulsion Materials, Electricity Delivery and Energy Reliability. He is a member of the Computational Materials Science and Engineering Committee of TMS and serves as a guest editor for JOM on special topics. He has served in the science review panel for DOE¹s INCITE program for 3 years. He was a co-recipient of the Warren F. Savage award offered by the American Welding Society in 1995.

Adrian S. Sabau received an Engineer Diploma in Mechanical and Materials Processing from the University of Craiova, Romania and PhD degree in Mechanical Engineering from Southern Methodist University in 1996. In 1999, Dr. Sabau joined Oak Ridge National Laboratory as a Research Staff Member of the Materials Science and Technology, where he currently is a Senior Research Staff Member since 2008. Dr. Sabau is the recipient of two R&D 100 awards in process sciences. Dr. Sabau seeks to advance the materials processing, metal casting, photonic processing, laser processing, and materials for energy applications through the development of computational and experimental techniques for the process analysis and materials behavior in response to conditions experienced in service. Dr. Sabau published more than 130 technical papers.

Ramanan Sankaran is a computational scientist at the Oak Ridge National Laboratory since 2006. He received his PhD in Mechanical Engineering from the University of Michigan, Ann Arbor. He has more than 17 years of experience in the modeling and simulation of reacting and multiphase flows for engineering applications. He develops scalable and massively parallel software tools for energy and engineering applications. He has significant experience in applying software tools for complex multi-physics simulations using DOE’s high performance computers such as the Oak Ridge Leadership Computing Facility (OLCF) Titan.