Stephen Schwarzman is one of the most influential figures in finance. Not only does his firm, Blackstone, manage more than $500 billion, he has the ears of world leaders like Presidents Donald Trump and Xi Jinping. Ahead of his new book “What It Takes,” Schwarzman told us how he knew it was time to start his own business and why he’s still on the lookout for opportunities to grow.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.