Saeed K. Rahimi, PhD, is an associate professor with the Graduate Program in Software at the University of St. Thomas. He is also a cofounder of DWSoft Corporation and InfoSpan, two companies specializing in metadata  management for data warehousing. He had been a database design and implementation consultant, providing services to the industry and the federal government for over thirty years. He has spoken in many national and international conferences and has published many scientific articles. Dr. Rahimi holds a BS in electrical engineering and a PhD, both in computer science, from the University of Minnesota. Frank S. Haug is an adjunct professor with the Graduate Programs in Software at the University of St. Thomas, where he has taught graduate courses in software development, distributed database management systems, and data warehousing. He has over twenty-five years of experience in academia and industry, working in areas including software development, database design and implementation, and network administration to implement projects across many technology platforms, DDBMS, and programming languages. Mr. Haug had a BA in mathematics and quantitative methods and computer science, and an MS in software engineering, both from the University of St. Thomas.