I'm the CEO of Zocdoc. Here's how long showers help me manage hectic days.

Oliver Kharraz. Zocdoc This as-told-to essay is based on a conversation with Oliver Kharraz, the 53-year-old CEO and cofounder of Zocdoc, based in New York City. It's been edited for length and clarity. I grew up in Germany and attended college in Munich. I got an MD and a doctorate in neuroscience. I became the most recent doctor in a...