Though still small in the big picture, organic food has come all the way — from hippie to hip to mainstream since the Sixties. But can organic food and fair food ever feed seven billion people? How can the entire food chain become sustainable? And does sustainability stack up to profitability? Visionary food entrepreneur Gary Hirshberg answers those questions with a resounding yes. As founder and CEO of Stonyfield Farm, the world’s largest organic yogurt company, Hirshberg has demonstrated that environmentally and socially responsible business can also be profitable.