Billionaires dressing badly: The Silicon Valley style crisis
#OneGuyWhoGetsItRight Jack Dorsey, Twitter
Before he was one of the world's most successful entrepreneurs, Twitter cofounder Jack Dorsey considered designing denim. The sartorial impulse still shows. Unlike his Silicon Valley compatriots, Dorsey favors slim, well-turned-out Prada suits. When you use Square, his mobile payment service, it helps to know that the man who's accessing your finances dresses like he wants your business.