Ed Carroll has been building software products for over 20 years, with particular expertise in automating economic analyses, decision support, and supply-chain management processes. He is currently a director for Online Business Systems, an IT consulting company that specializes in knowledge integration. He has also provided strategic technology leadership in roles such as the vice president of engineering for Egghead.com, director of technology at Nike and director of software engineering at Boeing. He can be reached at ecarroll@obsglobal.com.