David A. Aaker is Vice-Chairman of Prophet, a branding, marketing, and innovation consultancy, and has published more that one hundred articles and fourteen books, including Brand Portfolio Strategy, Brand Leadership, Strategic Marketing Management (8th edition), Building Strong Brands, Managing Brand Equity, and From Fargo to the World of Brands. He lives in Orinda, California.
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Powerful product, country, and functional silos are jeopardizing companies' marketing efforts. Because of silos, firms misallocate resources, send inconsistent messages to the marketplace, and fail to leverage scale economies and successes—all of wh... SEE MORE