Lyft's John Zimmer put it all on the line to catch Uber
Right now, Lyft is thriving. In the last year, the company expanded its business into bikes, scooters and self-driving cars, and has grown to 4,500 employees. It's ridden a wave of user growth as some customers switched to the platform following a series of scandals at rival Uber. And it recently filed to go public in early 2019, a move that could raise billions of dollars.