Todd Graves, who worked 90-hr weeks to save money for restaurant, now worth $9.5 bn

Todd Graves, who co-founded fast food chain Raising Cane's Chicken Fingers, has entered Forbes list of America's 400 richest people for the first time with an estimated net worth of $9.5 billion. He worked 90-hour weeks and 20-hour days to save money to start his restaurant. Started with $150,000, the chain brought in $3.7 billion in net sales last year.