Jesse Armstrong , the creator and executive producer behind HBO’s “Succession,” has been added to the list of speakers at this year’s Banff World Media Festival. The writer, whose credits also include the HBO film “Mountainhead,” will conduct a keynote at the fest, to be moderated by CBC Q’s Tom Power. “Jesse Armstrong doesn’t just capture the cultural conversation, he drives it. Having him join us at Banff alongside an incredible lineup of creators, executives, and industry disruptors says everything about where the global media business is right now: bold, unpredictable, and evolving fast,” said Banff executive director Jenn Kuzmyk. The 47th annual Banff World Media Festival takes place from June 14 to June 17 at the Fairmont Banff Springs Hotel in Banff, Alberta, Canada. Banff had previously announced that Netflix  exec  Jinny Howe , who  assumed the role  as head of U.S.…