Uber president Jeff Jones quits, deepening turmoil

By Heather SomervilleSAN FRANCISCO (Reuters) - Ride services company Uber Technologies Inc has been thrust deeper into turmoil with the departure of company president Jeff Jones, a marketing expert hired to help soften its often abrasive image.Jones quit less than seven months after joining the San Francisco company, an Uber spokesman said on Sunday.In a statement to Reuters, Jones said he could not continue as president of a business with which he was incompatible.