Ten years ago, newcomer Chobani was excited when a small Long Island grocer became the first to stock its Greek yogurt. Then came another. And another. Now, as a $1.5 billion giant with the country's single leading yogurt brand, Chobani wants to dominate even further and unseat Dannon as the largest U.S. yogurt maker. To help, Chobani is rolling out a new organizational structure focused on what its chief marketer calls demand creation. Sales, marketing, insights, product innovation and other areas, which were largely separate, are now housed in one demand department as Chobani aims to do more with more speed and agility.