Don't quit over one guy. And disregard others' advice about rapprochement; there is no getting past a lethal mix of incompetence and unprofessionalism. Steer y

Don't quit over one guy. And disregard others' advice about rapprochement; there is no getting past a lethal mix of incompetence and unprofessionalism. Steer yourself towards projects that don't involve him. This might take upwards of 1-2 frustrating years. That's why we call it "work."