Kathryn Koehler , 49, an engineering director at Netflix living in Palo Alto, Calif., on her 1972 Porsche 911E, as told to A.J. When I was growing up in Clearwater, Fla., my uncle and my parents were involved with a local Porsche club. I had a long commute to school, so it was a foregone conclusion that I was going to need a car. The day I got my driver’s license, at 16, I came home and there in the garage was this 1972 Porsche with a “Happy Birthday” sign draped across the headlights. The garage was full of my friends, and when I stopped hyperventilating, I realized how special this car was.

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