Professional Service
   Alex is an Associate Head of the Computer Science Department at Purdue, and serves on the following committees of professional societies:
   Chair of the George Polya Prize in Applied Combinatorics 2016, SIAM
   Steering Committeee of the Combinatorial Scientific Computing Community


Editor
   Alex serves on the editorial boards of:
   Journal of the ACM (Scientific and High Performance Computing area)
   SIAM Books
   SIAM Review
   SIAM Series in Computational Science and Engineering
   International Journal on Computational Science and Engineering

   Previous Editorial Service or Committees:
   SIAM Committee on Appointments and Committees
   SIAM Journal on Scientific Computing
   Electronic Transactions on Numerical Analysis


Conferences
   Alex is serving or has served on the following Recent Program Committees:
   IPDPS 2016, Parallel Computing and Optimization Workshop
      Chicago, May 2016
   IPDPS 2016, High Performance Computational Biology Workshop
      Chicago, May 2016
   Supercomputing (SC15)
      Austin, Nov. 2015
   Supercomputing (SC13)
      (Algorithms Track Chair) Denver, Nov. 2013
   Supercomputing (SC12)
      Salt Lake City, Nov. 2012
   Supercomputing (SC10)
      New Orleans, Nov. 15-18, 2010
   ACM Symposium on Parallel Algorithms and Architectures (SPAA)
      Santorini, Greece, June 13-15, 2010
   SIAM Conference on Computational Science and Engineering 2009
   Fourth International Symposium on Bioinformatics Research and Applications
      Atlanta, GA May 6-8, 2008
   SIAM Workshop on Combinatorial Scientific Computing (CSC07, Co-chair)
   2007 International Conference on Parallel and Distributed Processing (IPDPS)
   International Conference on High Performance Computing
      Bangalore, India, Dec. 18-21, 2006
   2007 International Symposium on Bioinformatics Research and Applications
      Atlanta, GA, May 6-9, 2007