Dr. Bill Nitzberg is the CTO of PBS Works at Altair Engineering, Inc. With over 25 years in the computer industry, spanning software development to high-performance computing research, Dr. Nitzberg is an internationally recognized expert in parallel and distributed computing. Dr. Nitzberg has served on the board of the Open Grid Forum, co-architected NASA’s Information Power Grid, edited the MPI-2 I/O standard, and has made dozens of presentations and published numerous papers on distributed shared memory, parallel I/O, PC clustering, job scheduling, and cloud computing. In his spare time, Bill tries to reduce his pack weight for his long-distance hiking trips.