A Tesla employee who builds robots told us why production hell is actually a good thing (TSLA)

Sheena Patterson is a staff manufacturing engineer at Tesla. She's working to build the machine that builds the machine: Tesla's highly automated assembly line for the Model 3. She also knows how to create robots. Editor's note: Business Insider had the chance to speak with four Tesla employees from different parts of the company to learn more about their work. And what we discovered were some of the coolest jobs at Tesla. This is the fourth in the series. You can read the other profiles...