# Professional Activities

## Professional Activities

##### Society for Industrial and Applied Mathematics (SIAM)

- Member, SIAM, SIAM Activity Group on Linear Algebra and SIAM Activity Group on Supercomputing
- Member, SIAM Activity Group on Linear Algebra Prize Selection Committee (2014-2015)
- Member, SIAM I.E. Block Community Lecture Selection Committee (2013-present)
- Chair, Nomination Committee for the 2012 Election of the SIAM Activity Group on Linear Algebra (2012)
- Member, SIAM Program Committee (2009-2014)
- Vice Chair, SIAM Activity Group on Supercomputing (2006-2007)
- Member, Editorial Board, SIAM Journal on Matrix Analysis and Applications (1997-2008)
- Member, Editorial Board, SIAM Journal on Scientific Computing (2008-2014)
- Guest editor-in-chief, Sparse Section on Sparse Matrix Computation, SIAM Journal on Matrix Analysis and Applications, vol. 20, no. 4 (1999)
- Guest editor-in-chief, Special Section on Preconditioning Techniques, SIAM Journal on Matrix Analysis and Applications, vol. 27, no. 4 (2006)
- Guest Associate Editor, Special Issue on Computational Sciences and Engineering, SIAM Journal on Scientific Computing, vol. 30, no. 6 (2008)

##### Association for Computing Machinery (ACM)

- Member, ACM
- Member, Board of Directors, ACM Special Interest Group on Numerical Mathematics (1997-1999)

##### International Association for Mathematics and Computers in Simulation (IMACS)

- Member, IMACS
- Member, IMACS Technical Committee on Computational Linear Algebra (1994-present)
- Member, IMACS Technical Committee on Parallel and Supercomputing (1994-present)

##### Institute of Electrical and Electronics Engineers (IEEE)

- Member, IEEE
- Member, Editorial Board, IEEE Transaction on Parallel and Distributed Systems (2001-present)