He has been actively involved inlarge-scale data warehousing and systems integration projects for the past 11 years. Mr. Galemmo's first book is "Mastering the Data Warehouse - Relational and Dimensional Techniques" with co-authors Claudia Imhoff andJonathan G. Geiger (Wiley Publishing). Mr. Galemmo can be reached at ngalemmo@yahoo.com.