When it comes right down to it, marketing is about making money, said Sergio Zyman, chairman and founder of Zyman Group and former chief marketing officer of the Coca-Cola Company. “My philosophy of marketing is the philosophy of business, which is to sell more stuff to more people more often for more money more efficiently,” Zyman said in a keynote address at a conference hosted by student-led Chicago Booth Marketing Group October 15 at the Harper Center.