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About the Authors

About the Authors

Ralph Kimball founded the Kimball Group. Since the mid 1980s, he has been the DW/BI industry's thought leader on the dimensional approach and has trained more than 10,000 IT professionals. Prior to working at Metaphor and founding Red Brick Systems, Ralph co-invented the Star workstation at Xerox's Palo Alto Research Center (PARC). Ralph has a Ph.D. in Electrical Engineering from Stanford University.

Margy Ross is President of the Kimball Group. She has focused exclusively on DW/BI solutions since 1982 with an emphasis on business requirements analysis and dimensional modeling. Margy graduated with a B.S. in Industrial Engineering from Northwestern University.

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