There’s always a danger when a key employee leaves for a new company that he or she will stir things up by taking a few co-workers along, but some defections can be particularly grating. Looking to coddle its growing workforce a bit more, Facebook started shopping for its own executive chef in January. And when Sheryl Sandberg came over from Google to become COO last month, she said she knew just the guy at her old place. Everything panned out and now, as Carolyn Jung (until recently, the Merc’s food editor) reports at Food Gal, Josef Desimone has been whisked away to become the new Facecook…
