Photo: General Motors Image 1of/41 CaptionClose Image 1 of 41 40. Kyle Vogt (center), co-founder of Cruise AutomationAge: 31Based: San Francisco, CANet worth: $270 million  40. Kyle Vogt (center), co-founder of Cruise Automation Age: 31 Based: San Francisco, CANet worth: $270 million  Photo: General Motors Image 2 of 41 39. LeBron James, basketballAge: 31Based: Akron,...