In his 30+ year Information Technology career Joe Rarey has worked with Xerox, Martin Marietta and has been with NCR/Teradata since 1986. He is a Teradata Managing Partner and Team Leader for their relationship with Wal-Mart. He is a recognized expert with Data Warehouse and Decision Support and was active in the initial implementation of Teradata-based data warehouse and Retail Link at Wal-Mart in the early 1990′s.