Koh is an independent curator and partner in the independent record label weewerk. She also used to be an Assistant Curator of Contemporary Art at the National Gallery of Canada. Her exhibition history includes the BALTIC Centre (Newcastle), De Appel (Amsterdam), Musée d'art contemporain de Montréal, Para/Site Art Space (Hong Kong), Frankfurter Kunstverein, Bloomberg SPACE (London), The Power Plant (Toronto), Seoul Museum of Art, Artspace (Sydney), The British Museum (London), the Contemporary Art Gallery (Vancouver), Plug In ICA (Winnipeg), Art Gallery of Ontario (Toronto), and the Liverpool, Sydney and Montréal biennials.