The 2003 SEI Annual Report describes the accomplishments of the SEI during fiscal year 2003 (October 1, 2002 through September 30, 2003). For each of the SEI's focus areas, the report summarizes key research and support that the SEI provided for developers and acquirers of software-intensive systems. The report also presents information about the SEI, its staff members, and its organization, including staff accomplishments, publications, leadership positions, demographics, dissemination activities, and funding data.