This is an archived page of the 2008 conference



Thom H. Dunning, NCSA, USA
Thom Dunning is the director of the Institute for Advanced Computing Applications and Technologies (IACAT) and the National Center for Supercomputing Applications (NCSA) at the University of Illinois at Urbana-Champaign. He also holds an endowed position as Distinguished Chair for Research Excellence in Chemistry and professor in the Department of Chemistry.

Dunning previously held leadership positions at the Joint Institute for Computational Sciences at the University of Tennessee and Oak Ridge National Laboratory, the University of North Carolina System, the Office of Science at the U.S. Department of Energy, the Environmental Molecular Sciences Laboratory at Pacific Northwest National Laboratory, Argonne National Laboratory, and Los Alamos National Laboratory. He was instrumental in creating DOE's Scientific Discovery through Advanced Computing (SciDAC) program, the federal government's first comprehensive program aimed at developing the software infrastructure needed for leadership-class scientific computing.

He is a fellow of the American Physical Society and of the American Association for the Advancement of Science as well as a member of the American Chemical Society. Dunning received DOE's E. O. Lawrence Award in 1997 and its Distinguished Associate Award in 2001.

Pete Beckman, ANL, USA
Peter Beckman has worked in systems software for parallel computing,  operating systems, and Grid computing for 20 years. After receiving a Ph.D. in computer science from Indiana University, he helped create the Extreme Computing Laboratory, which focused on parallel C++, portable run-time systems, and collaboration technology. In 1997  Peter joined the Advanced  Computing Laboratory at Los Alamos  National Laboratory, where he founded the ACL's Linux cluster team and organized the Extreme Linux series of workshops and activities  that helped catalyze the high-performance Linux computing cluster  community.  Peter has also worked in industry. For example, in 2000  he founded a research laboratory in Santa Fe (sponsored by Turbolinux  Inc.), which developed the world's first dynamic provisioning system  for large clusters and data centers. The following year, Peter  became vice president of Turbolinux's worldwide engineering efforts, managing development offices in Japan, China, Korea, and Slovenia.  Peter began working at Argonne National Laboratory in 2002.  As  Director of Engineering for the TeraGrid, a $150 million effort  sponsored by the National Science Foundation to build the world's  largest open Grid computing environment, he designed and deployed the  world's most advanced Grid system for linking production HPC  computing centers.  After the TeraGrid became fully operational,  Peter started a research team focusing on petascale high-performance  software systems, wireless sensor networks, Linux, and the SPRUCE system to provide urgent computing for critical, time-sensitive decision  support.  He became the Chief Architect for the Argonne Leadership Computing Facility in 2006 and was appointed the ALCF project director in 2008.  The ALCF has deployed the world's largest BG/P, a 556TF platform for supporting computational science.

Rich Loft, NCAR, USA
Available soon.


Nicholas Ball, University of Illinois at Urbana-Champaign, USA
Available soon.

Jason Cope, University of Colorado at Boulder, USA
Jason Cope is a Ph.D. student in the Department of Computer Science at the University of Colorado at Boulder. His research interests include high-performance computing, Grid computing, and service-oriented architectures.

Anthony DiGirolamo, Arizona State University, USA
Available soon.

Joshua Dolence, University of Illinois at Urbana-Champaign, USA
Joshua Dolence is a graduate student in the Department of Astronomy at the University of Illinois at Urbana-Champaign. He received his B.S. degrees in physics and astronomy at the Florida Institute of Technology where he did work on simulations of accretion flows in close binary stars. He has since been involved in research related to outbursts of neutron star accretion disks, the large-scale structure of the universe, and most recently, parallel code development for general relativistic radiative transfer.

Ed Hinkel, TotalView Technologies LLC, USA
Ed Hinkel, pre-sales engineer at TotalView Technologies, has more than 20 years of software development experience spanning the evolution of computing technology leading to the multi-threaded,  parallel, and distributed multi-core applications of today.  His career includes technical and management positions at Dun & Bradstreet Systems Research and Development, Electronic Data Systems (EDS), and  GTech Inc, the leading provider of lottery technologies. Ed's role at TotalView Technologies includes providing presentations, demonstrations, and instruction for tools that provide real solutions for the challenges facing today's software developers. Ed holds a Bachelors degree in Mathematics from Indiana Institute of Technology.

Dean Hildebrand, University of Michigan, USA
Dean Hildebrand recently completed his Ph.D. in Computer Science and Engineering at the University of Michigan. His dissertation focused on increasing the scalability and performance of distributed access to high-performance file systems. His research includes pNFS, an NFSv4.1 high-performance enhancement that provides direct storage access to heterogeneous parallel file systems while preserving NFSv4 operating system and hardware platform independence.

Hildebrand also holds an M.S. from the University of Michigan and a B.S. from the University of British Columbia. He has worked as a research assistant at the Sandia National Laboratories and as a software developer at several companies, including IBM, Nortel Networks, and Scotiabank.

Jeff Keasler, Lawrence Livermore National Laboratory, USA
Jeff Keasler is a computer scientist at Lawrence Livermore National Laboratory where he contributes to several software projects managed through the Advanced Simulation and Computing Program.

Gordon Klok, University of Alberta, Canada
Application Development Analyst for the Department of Computing Science at the University of Alberta since July 2007, Undergraduate student at the University of Alberta and Team Alberta cluster challenge team member for the 2007 Cluster Challenge competition. Kernel developer for the OpenBSD project since 2006.

Rashawn Knapp, Portland State University, USA
Rashawn Knapp is a Ph.D. student in Computer Science at Portland State University (PSU), where she works with Dr. Karen Karavanic in the High Performance Computing Lab. Rashawn's research is in the area of performance measurement and evaluation for parallel applications. Her current work concentrates on developing automated and online methods to correctly diagnose performance problems that are rooted in a parallel application’s runtime environment. In 2007 she received the Oregon Sports Lottery Graduate Scholarship. Since 2005, Rashawn has contributed to the development of PerfTrack, a data store and interface for managing performance data from large-scale parallel applications. Rashawn earned a B. A. in Health Care Administration at Oregon State University and an M. S. in Computer Science at Portland State University.

Dustin Leverman, University of Colorado at Boulder, USA
Available soon.

Amy Apon, University of Arkansas, USA
Amy Apon received a Ph.D. in Computer Science from Vanderbilt University in the area of performance analysis of parallel and distributed computing systems. She is currently a Professor of Computer Science and Computer Engineering at the University of Arkansas. She performs research in the performance modeling of cluster and grid computing systems, and teaches classes in the CSCE Department. Apon has been directing high performance computing at the University since 2004.

Martin Margo, San Diego State University, USA
Martin W. Margo received his BA in mathematics-computer science from the University of California, San Diego in 2003 and his M.S. in computer science from San Diego State University. As an HPC systems programmer at the San Diego Supercomputer Center (SDSC), he has been working with multi-teraflops Linux clusters at SDSC. He has been working with SDSC batch scheduler Catalina and GUR co-scheduler within the TeraGrid community. His current professional interests include scheduling and meta-scheduling for large grids.

Kenneth Matney, Sr., Oak Ridge National Laboratory, USA
Ken Matney is a programmer/analyst with over 20 years of experience in high performance computing. He has been a staff member of the Center for Computational Sciences at the Oak Ridge National Laboratory since May 2000. He received his Ph.D in Nuclear Engineering from Kansas State University in 1983. Prior to joining ORNL, he was a field analyst with Cray Research/Silicon Graphics for 12 years.

Prior to coming to LLNL, he worked for Bell Helicopter as a software engineer and PA Incorporated as a physicist/programmer. He holds a master's degree in Computer Science from Stanford University and a bachelor's degree in Physics from Southwestern Oklahoma State University.

Michael Oberg, NCAR, USA
Available soon.

Patrick Ohly, Intel Corporation, DE
Patrick Ohly is a Senior Software Engineer at Intel GmbH, Bruehl. He is responsible for development of "Intel Trace Collector", new features binary instrumentation, fault tolerance, and MPI correctness checking.

Mahesh Rajan, Sandia National Lab, USA
Dr. Mahesh Rajan is serving as a Distinguished member of the Technical Staff at Sandia National Laboratory. He has been with Sandia since 2002. Prior to Sandia Mahesh served as the the on-site computational scientist for HP at Caltech and JPL for five years. His prior industry experience includes IBM, Intel SSD, Maspar and Supercomputing Solutions, Inc. Prior to joining HPC industry he was a tenured faculty at Arizona State University. He has a PhD in Engineering Science and Mechanics from Virginia Tech.

Geoffroy Vallée, Oak Ridge National Laboratory, USA
Available soon.

Vivek Venugopal, Virginia Tech, USA
Vivek Venugopal is a PhD candidate with the Electrical and Computer Engineering department at Virginia Tech. He is working on reconfigurable communication and computation aspects of FPGA enabled high-performance reconfigurable computing (HPReC) systems at the Advanced Research Computing facility. His research interests include reconfigurable communication synthesis and cluster FPGAs.

Patrick Worley, Oak Ridge National Laboratory, USA
Dr. Patrick H. Worley is a senior research computer scientist in the Computer Science and Mathematics Division of Oak Ridge National Laboratory (ORNL). He has a PhD in computer science from Stanford University, where he studied numerical analysis and parallel algorithms for scientific computing. His recent work has been in parallel algorithm design and implementation (especially as applied to models used in climate and fusion research) and in the performance evaluation of parallel applications and computer systems. He is a co-chair of the Software Engineering Working Group for the Community Climate System Model and is the principal investigator for the Performance Engineering and Evaluation Consortium End Station, a Department of Energy (DOE) INCITE project that provides the performance evaluation community with access to DOE leadership class computing systems. He also serves as a performance researcher and engineer for climate and fusion computational science projects, and leads the application engagement activities of the (DOE) SciDAC project in performance engineering. Recent system evaluation activities have focused on the Cray X1E and XT systems and the IBM BG/P.

Alexander Younts, Purdue University, USA
Alexander Younts is a freshman in Computer Science at Purdue University. Since his junior year in high school, Alex has been working at the Rosen Center for Advanced Computing at Purdue University as a Student Systems Administrator. Recently, he participated in the first Cluster Challenge at Super Computing 2007 on Purdue's team.

Burkhard Zink, Louisiana State University, USA
Burkhard Zink earned a PhD in computational astrophysics from Technical University of Munich / Max-Planck Institute for Astrophysics. He is currently the Distinguished Senior Postdoctoral Fellow at the Center for Computation and Technology at Louisiana State University.


Buddy Bland, ORNL, USA
Buddy Bland is the director for the Leadership Computing Facility project, which is tasked with installing a Cray petaflop supercomputer by the end of 2008. He previously served as director of operations for the National Center for Computational Sciences (NCCS) from 1996 until June 2006.  Buddy has worked in high-performance computing his entire career. He joined the staff at Oak Ridge National Laboratory (ORNL) in 1984 as the system programmer/administrator for the Cray X-MP system. He managed the Supercomputing Systems Section, which later became the UNIX System Section, until 1992, when he moved to the newly formed Center for Computational Sciences as the computing resources manager. In that position he installed the Kendall Square KSR-1 and Intel Paragons and oversaw the development and installation of the file storage systems and networks to support the NCCS. In 1996 Buddy was appointed director of operations of the NCCS. In that role he has managed the operation of the computer center through the life of a series of computers, including the IBM Power3, IBM Power4, Compaq AlphaServer SC, SGI Altix, Cray XD1, Cray X1, Cray X1E, and Cray XT3. He is the ORNL representative on the High Performance Storage System Executive Committee.
Prior to joining ORNL, Buddy was a captain in the U.S. Air Force, serving at the Air Force Weapons Laboratory at Kirtland Air Force Base in New Mexico and at Keesler Air Force Base in Mississippi. He has B.S. and M.S. degrees in computer science from the University of Southern Mississippi.

Andrew White, LANL, USA
Andrew White is the Deputy Associate Laboratory Director of the Theory, Simulation and Computation Directorate.  He is also the Project Director for the Roadrunner Project and the Los Alamos Institutional Computing Project Director.  From 1989 to 1998, he was founder and Director of the Advanced Computing Laboratory at Los Alamos, as well as the Program Manager for DOE's HPCC (High Performance Computing and Communications) program.  He has been an Associate Director of the NSF Science and Technology Center for Research on Parallel Computation (CRPC); a member of the ad hoc Task Force on the Future of the NSF Supercomputing Centers (Hayes Committee); Principal Investigator for the DOE High Performance Computing Research Center at Los Alamos and at various times assistant, deputy and acting Division Leader of the Laboratory's computing divisions. His research interests are applied mathematics, high performance computing, simulation and modeling, predictive computational capabilities and data corruption in simulations.


William Gropp, NCSA, USA
William Gropp received his B.S. in Mathematics from Case Western Reserve University in 1977, an M.S. in Physics from the University of Washington in 1978, and a PhD. in Computer Science from Stanford in 1982. He held the positions of assistant (1982-1988) and associate (1988-1990) professor in the Computer Science Department at Yale University. In 1990, he joined the Numerical Analysis group at Argonne where he was a senior computer scientist in the Mathematics and Computer Science Division, a senior scientist in the Department of Computer Science at the University of Chicago, and a senior fellow in the Argonne-Chicago Computation Institute. From 2000 through 2006, he was also deputy director of the Mathematics and Computer Science Division at Argonne. In 2007, he joined the University of Illinois at Urbana-Champaign as the Paul and Cynthia Saylor Professor in the Department of Computer Science. His research interests are in parallel computing, software for scientific computing, and numerical methods for partial differential equations. He has played a major role in the development of the MPI message-passing standard. He is co-author of the most widely used implementation of MPI, MPICH, and was involved in the MPI Forum as a chapter author for both MPI-1 and MPI-2. He has written many books and papers on MPI including "Using MPI" and "Using MPI-2". He is also one of the designers of the PETSc parallel numerical library, and has developed efficient and scalable parallel algorithms for the solution of linear and nonlinear equations. Gropp was named an ACM Fellow in 2006.

Bill Kramer, NERSC, USA
Bill Kramer is the founding member of NERSC at LBNL where he is the General Manager responsible for all aspects of NERSC. He led the implementation of 16 HPC systems — some of the world's largest at the time — five major storage systems and the largest national networking testbed of its time.

Tony Mezzacappa, ORNL/UTK, USA
Dr. Tony Mezzacappa is a Corporate Fellow at the Oak Ridge National Laboratory, Group Leader for Theoretical Astrophysics in the Physics Division, Group Leader for Computational Astrophysics in the Computer Science and Mathematics Division, and has been on staff at ORNL since 1996. He is also Adjunct Professor in the Department of Physics and Astronomy at the University of Tennessee. Dr. Mezzacappa held postdoctoral appointments at the University of Pennsylvania and the University of North Carolina at Chapel Hill and was a Research Assistant Professor at the University of Tennessee prior to joining the ORNL staff. He completed his B.S. degree in physics at M.I.T. in 1980 and his Ph.D. in physics at the Center for Relativity at the University of Texas at Austin in 1988. He has worked in the areas of astrophysics and cosmology and specializes in the theory of core collapse supernovae. Dr. Mezzacappa received a DOE Young Scientist Award from Secretary of Energy Richardson and a Presidential Early Career Award for Scientists and Engineers from President Clinton in 1999 for his contributions to core collapse supernova theory. He was elected a Fellow of the American Physical Society in 2004 and a UT-Battelle Corporate Fellow in 2005 in recognition of his supernova research and his role in the development of computational science in the U.S. He was the Principal Investigator of the Department of Energy's SciDAC TeraScale Supernova Initiative, a national initiative that involved nearly four dozen researchers from a dozen institutions throughout the U.S. Dr. Mezzacappa has served on numerous national committees, including the APS Bethe Prize Committee, has chaired or served as an organizing committee member for a number of international conferences, including SciDAC 2005 and the 2004 INT Program on Supernovae and Gamma Ray Bursts, and has served as a reviewer for a number of journals and programs, including the DOE ASCI Program. He is the scientific editor-in-chief of Computational Science and Discovery, a new computational science journal that will be launched this year. Dr. Mezzacappa has authored or coauthored approximately one hundred scientific publications, edited five volumes in his field, and has given well over one hundred invited talks internationally. He has also been active in communicating science to the general public. He and his work have been featured, for example, on the National Geographic Channel and as part of 2005 World Year of Physics. He was among a select group of researchers across the U.S. who participated in the American Physical Society’s Centennial Public Face for Physics initiative, and his work has been featured in the national and local media on a number of occasions. Dr. Mezzacappa is a member of the Board of Trustees of the East Tennessee Discovery Center, a childrens’ discovery center in Knoxville, and has been active in the development of science education and the use of information technology for instruction at Sequoyah Elementary School of Knoxville as a board member of the Sequoyah Elementary Foundation.

Rob Pennington, NCSA, USA
Rob Pennington oversees the activities in all of NCSA's directorates to ensure that the scientists and engineers using NCSA's resources and services see a unified, seamless environment that brings the most advanced technologies to bear on their problems. He is also responsible for coordinating major campus- and region-wide efforts to build an integrated cyberinfrastructure and he continues to lead the center's Innovative Systems Laboratory.