Sandy Stoker is vice president of information marketing for Dun & Bradstreet, US. She is responsible for defining the data needs and standards for the company�s U.S. operations. The majority of Sandy's 17 years with D&B has been spent in the information resources unit, where she was responsible for managing the marketing database (DMI), the corporate affiliations file and more than 30 other niche files. She has been responsible for the D&B file-building process, managing Yellow Page compilation and use of third-party and public files for new business identification. She also managed Worldbase, D&B's global database of over 53 million businesses. Sandy joined marketing last year to establish the information marketing group.