Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds. 
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In 2007 three friends set out to address a common frustration: the long waits and scheduling hassles of booking a doctor's appointment. But soon after launching their online scheduling platform Zocdoc Oliver Kharraz Cyrus Massoumi and Nick Ganju ran into a classic chicken-and-egg problem: they had to show potential patients that doctors were available for bookings while frantically convincing reluctant doctors to sign up. The company solved this challenge and started to grow but then faced 

Zocdoc: Oliver Kharraz

How I built this