Raymond S. Tuminaro

Ray Tuminaro is a senior staff member at Sandia. He received his undergraduate degree in Computer Science from Cornell University in 1984.  He obtained his PhD from Stanford University's computer science department in 1989. His advisor was Gene Golub. Dr. Tuminaro was a NASA Ames Director's Discretionary Fund Recipient in 1987 and was an Applied Mathematical Sciences Fellow (now referred to as the Von Neumann Fellowship) at Sandia National Laboratories in 1990. After a post-doctorate at CERFACS in France, Dr. Tuminaro returned permanently to Sandia in 1994.

Dr. Tuminaro's primary area of interest is iterative linear solution methods and more specifically multigrid algorithms on large scale parallel computing platforms. He is the principal author of the Aztec code and is one of the lead developers of the ML code.  These codes have not only been used heavily within Sandia but also at many institutions around the world.  Both of these libraries are currently included as part of the Trilinos framework.  Aztec won a Research and Development award in 1997. Trilinos won a Research and Development award in 2004 and a 2004 Super Computing HPC Software Challenge Award.  In addition to large codes, Dr. Tuminaro has authored many journal papers in iterative methods. He currently serves on the editorial board of the SIAM Journal on Scientific Computing and is a regular member of the Copper Mountain Iterative Methods Conference committee.

Ray Tuminaro's home page: http://www.sandia.gov/~rstumin/

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