Share this postGraymatterBrand Portfolio Strategy: Creating Relevance, Differentiation, Energy, Leverage, and Clarity Copy linkFacebookEmailNotesMoreBooksBrand Portfolio Strategy: Creating Relevance, Differentiation, Energy, Leverage, and Clarity by David A. AakerJames GrayDec 11, 2022Share this postGraymatterBrand Portfolio Strategy: Creating Relevance, Differentiation, Energy, Leverage, and Clarity Copy linkFacebookEmailNotesMoreShareDetails on AmazonGraymatter is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.SubscribePreviousNext