His research interests focus on tools for parallel computers, program debugging, distributed computing and operating systems. Greg received his B.S. in Computer Science from the University of Tasmania in 1986 and received his Ph.D. from Monash University in 2000. He has been involved in the computing industry for over 20 years. He worked in a variety of positions during this time, including Manager, Corporate Computer Systems for Griffith University and Manager of the Queensland Parallel Supercomputing Facility, where he was responsible for establishing and managing the largest parallel computing system in Australia. More recently, Greg was team leader of the Cluster Research Team in the Advanced Computing Laboratory at Los Alamos National Laboratory.