J&J's lead director can also call executive meetings of independent directors and leads the CEO/chair performance evaluation process, plus the CEO succession process. RELATED: AbbVie investors agitate for chair-CEO split, flagging bonus pay and Humira hikes Of course, J&J isn't alone in facing calls to split its chairman and CEO roles. Allergan last year faced a push from investors over the roles of CEO and chairman Brent Saunders.