Uber's troubles mount as it sees an executive exodus

In the last three months, as Uber has been scrutinised over its workplace culture and the behaviour of its top executives, several high-ranking managers have left the ride-hailing company. At least one has been openly critical about the way the company has run economies globally and the strong franc weakened revenues to its self-driving cars effort.

Gary Marcus, Artificial intelligence

Joined: Dec 2016    

Left: March 2017

Marcus joined Uber through an acquisition of his artificial intelligence company, Geometric Intelligence. He left three months after Uber began a new internal research arm on AI.