VANCOUVER — Thunderbird Entertainment Group announced today Sarah Nathanson (above) has been promoted to corporate secretary and chief operating officer for all Thunderbird divisions, which includes Atomic Cartoons and Great Pacific Media. Prior to her promotion, Nathanson served as Thunderbird’s general counsel, a responsibility she will continue to oversee as part of her expanded portfolio, says the company’s press release. In her new role, Nathanson will work alongside other senior members of Thunderbird’s leadership team, including Barb Harwood (chief financial officer), Matthew Berkowitz (chief creative officer), Richard Goldsmith (president of global distribution and consumer products), David Way (president of Great...