Lucasfilm president Kathleen Kennedy is stepping down after 14 years at the helm of the studio that makes Star Wars, one of the highest-grossing Hollywood franchises in history. Kennedy, who was picked by Star Wars creator George Lucas to lead the company , will become a full-time producer, the studio said on Thursday . Best known for steering the reboot of the science-fiction series, Kennedy oversaw hits like The Force Awakens but she was also behind the franchise's first ever box office flop -