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Warehouse Data Earns Its Keep: Page 7 of 8

When Data Warehouses Become Mission-Critical: It moves them up the food chain because now there are performance expectations. Each year we try to get our data warehouse's availability up. There are a lot of pieces to this, including processing, disk drives and network redundancy.

Biggest Technology Flop: The baggage-handling system at Denver's airport. It was a great lesson in acknowledging that you can have a complex system with lots of great IT knowledge but there might be implementation gaps between the system developers and managers.

Best Advice: Get out of IT consulting. (Before my job at MasterCard, I was with Andersen Consulting.) Also, in an IT project, have a democracy during the requirements definition period and a dictatorship during the execution of it.

Biggest Bet I've Ever Made: The stock market--and the outcome is still to be determined.

For Fun: Golf.