Leslie Berland

Heather Fletcher is senior content editor with Target Marketing.

The world’s most influential CMOs bring in more than ROI and they influence more than their companies and their verticals. Much the same as Target Marketing’s list of the most influential marketers, Forbes came up with a report that valued customer-centric and value-driven CMOs at the top.

Leslie Berland, senior vice president, digital partnerships and development, American Express, has brought new meaning to the phrase "social currency." Through partnerships with Facebook, Twitter and foursquare, American Express cardholders can now sync cards to their social media accounts to earn savings from brands such as Best Buy, Whole Foods and Zappos.com. "If we do any commerce or promotional program," Berland says, "there has to be a social element."

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