Merlin Dorfman, PhD, is a Technical Consultant in the Space Systems Product Center, Lockhead Martin Missiles and Space Company, Sunnyvale, Calif. He specializes in systems engineering for software-intensive systems (requirements analysis, top-level architecture, and performance evaluation), in software process improvement, and in algorithm development for data processing systems. He has performed concept exploration, system implementation, and operations and maintenance of data systems and has worked on proposal teams and company-funded technology projects as well as on development contracts.