Neil Gunther, M.Sc., Ph.D. is an internationally recognized computer system performance consultant who founded Performance Dynamics Company (www.perfdynamics.com) in 1994. Originally from Melbourne, Australia, he has resided near Silicon Valley in California for 25 years. In that time he has held teaching positions at California State University-Hayward and San Jose University, as well as research and management positions at Xerox PARC and Pyramid/Siemens Technology, and also worked on the JPL/NASA Voyager and Galileo missions. His performance and capacity planning classes have been presented