Travis Kalanick Anthony Levandowski
As Uber has faced a series of crises, it's been steadily losing top executives. 
Since February, the ride-hailing company has lost its president and its heads of communications, finance, product, and its self-driving car division. In all, nine of its most senior executives have headed out the door — all for different reasons.
As Uber faces challenges on all fronts in 2017, here's who has left the company and who (if anyone) has stepped in to fill their roles:

Jeff Jones, former president of ridesharing