Jeff Jones, the marketing executive who left Target Corp. just months ago to take the No. 2 job at Uber Technologies, is leaving after only six months amid upheaval at the San Francisco ride-hailing upstart.

Recode was the first to report on the departure of Jones, who said in a statement that, “the beliefs and approach to leadership that have guided my career are inconsistent with what I saw and experienced at Uber, and I can no longer continue as president of the ride sharing business.”

Uber…