Bannister started her career as a brand manager at
Procter & Gamble and then as an engagement manager with McKinsey & Co. In 2001, she spent four years at
eBay in
Silicon Valley. In 2004, she launched Kijiji.ca which became one of Canada's most-visited websites. Bannister is the co-chair of C100 and on the boards of the Ivey Business School and LEAP, a social venture accelerator, as well as serving as a mentor at Creative Destruction Lab at the
University of Toronto. She also founded and was CEO at a venture-backed start-up prior to joining Real Ventures in 2014. In 2017, she was announced as part of a team to guide fintech strategy for the province of
Ontario and the Canadian Economic Strategy Roundtable on Digital Industries. In 2025, she was awarded an honorary Doctor of Laws degree by
Ontario Tech University. == Staircase Ventures ==