How many leather jackets does Nvidia CEO Jensen Huang own? An investigation into the billionaire's cool signature look.

• Nvidia's billionaire CEO rocks a black leather jacket almost everywhere he goes.
• He wore at least six different jackets in recent years, per Business Insider's detailed analysis.
• His latest look, from Tom Ford's spring collection, is his best pick yet.

Steve Jobs wore a black turtleneck. Mark Zuckerberg ushered in the casual T-shirt. Adam Neumann eschewed shoes.