In his final year at Duke, David Perpich ’99 wasn’t keen on writing an economics thesis. He told his father that he had a better idea: working as part owner of Devil’s Delivery Service in Durham. “So,” Joseph G. Perpich fired back, “you want to deliver food instead of writing a senior thesis?” “I said, ‘Don’t think about it that way,’ ” David Perpich recalls. “ ‘Think about the experience of learning about what it is to do something entrepreneurial.’ ”