Y Combinator is a famous Silicon Valley startup accelerator where Airbnb, Coinbase and Reddit all got their start. This startup school has backed companies now valued at $600 billion. Emily Chang met with Y Combinator CEO and President Garry Tan to discuss his roots as a founder who went through Y Combinator himself, to his return as the accelerator's current CEO. They discuss what it takes to be a great founder, the Silicon Valley Bank crisis, how Mr. Beast schooled Tan on his content creating, and the fate of San Francisco.