Cass Squire is a Distinguished Engineer in IBM's Global Business Services, specializing in BI and data integration architecture. He has more than 25 years of management and staff experience and has been involved in all facets of requirements analysis, data modeling, and database and applications systems design. A specialist in information systems architecture and all facets of data administration and metadata, Mr. Squire began using information engineering techniques for data-oriented design of large-scale systems in 1981. Since 1985, he has been involved in more than 75 data warehouse and BI projects. Mr. Squire can be reached at csquire at us.ibm.com.