Uber President Jeff Jones said Sunday that he has quit the San Francisco ride-hailing company, saying the culture at the hard-charging and often polarizing startup clashed with his professional convictions.

Jones’ resignation, which comes after six months on the job, marks the latest blow in what’s been a turbulent few months for the popular ride-services app. Several high-level executives have resigned, and the company is reeling from allegations of sexual harassment.

“The beliefs and approach to leadership that have guided my career are inconsistent with what I saw and experienced at Uber and I could no longer continue as president of the ridesharing business,” Jones said in a statement to The Chronicle.

Uber Technologies Inc. spokeswoman Sophie Schmidt confirmed Jones’ departure Sunday, saying that the company wanted to “thank Jeff for this six months at the company and wish him all the best.” Schmidt declined to discuss the issue further.