Tom Gilb is a consultant, author, and teacher. He has published nine books and numerous papers. His latest book, /Competitive Engineering/, was published in July 2005. Mr. Gilb primarily works at changing systems engineering cultures in large multinational corporations. His major technical interests are in the areas of requirements engineering, design and architecture, evolutionary project management, and specification quality control (inspection). His clients include Schlumberger, GE, Symbian, Boeing, HP, Nokia, Sony/Ericsson, Philips, CitiGroup, Intel, Microsoft. He does pro bono work for US DoD, UK MoD, various charitable organizations, and in developing countries, such as India, China, and Korea. Mr. Gilb started working for IBM in 1958. He stayed at IBM for five years and has been an independent consultant since then. He was born in California and lives in Norway. Mr. Gilb can be reached at Tom at Gilb.com; Web site: www.gilb.com.