As dean of the hospitality and culinary management school at Daytona State College, Costa Magoulas has helped a lot of people in this area prepare to start working as chefs. And now he's going to help chefs from all over the United States prepare to stop.“I have talked to many chefs who have been injured, are retiring or just want to get out the kitchen, and this prompted me to put together a seminar for the national conference of the American Culinary Federation,” Magoulas said.His presentation, “When You No Longer Can Be a Chef,” will take place on Aug.