Ryan Serhant’s first day in the real estate business was on September 15, 2008, the day Lehman Brothers filed for bankruptcy in the wake of the subprime mortgage collapse.  While the real estate sector has slowly recovered, Serhant has become one of the most successful brokers in the world, with agents under his leadership in New York City, Los Angeles, Miami and the Hamptons. Ryan is known to audiences all over the world as one of the stars of Bravo’s Million Dollar Listing: New York. He also starred in Bravo’s series, “Sell it Like Serhant” where Ryan showed people how it’s done as h...