Few leaders understand the anatomy of a grocery store as intimately as Jim Perkins. A Sonoma native who grew up amid the rhythmic cycles of California’s harvest, Perkins has spent 40 years navigating the shifting tides of the American supermarket. Now, as he takes the helm as president and CEO of The Save Mart Cos., he is bringing that extensive expertise back to the Central Valley — the very heart of the region that he says “feeds the world.” Under his leadership, The Save Mart Cos.