Uber CEO Travis Kalanick resigns after months of crisis

Travis Kalanick, 40, has resigned as the chief executive of Uber, a company he co-founded. Last week, Kalanick, with an estimated net worth of US$6.3 billion, as of March 2017, announced that he was going on an indefinite leave of absence following the death of his mother in a boating accident. But the move failed to defuse a growing crisis over his leadership and demands from investors