Greg Watson is a technical staff member in the Advanced Computing Lab at Los Alamos National Laboratory. His research interests focus on tools for parallel computers, program debugging, distributed computing and operating systems. He received his BS in computer science from the University of Tasmania and his PhD from Monash University. Prior to his current position, Greg worked as a senior research fellow in the School of Computer Science and Software Engineering at Monash University. He is a member of the IEEE, Immediate Past President of the Internet Society of Australia and Co-Chair of the Australian Domain Administration. Contact him at MS B287, Advanced Computing Lab, Los Alamos National Laboratory, Los Alamos, 87545, USA; gwatson@lanl.gov