Before joining Carleton, Robertson was an associate professor in the Faculty of Media, Art & Performance at the University of Regina[2] (2006-2012).
[7] Robertson's best-known book is Seeing Red: A History of Natives in Canadian Newspapers,[8][9] co-written with Mark Cronlund Anderson.
[2] In 2019, she notably testified in the Court of Appeal for Ontario on the in-authenticity of a Morrisseau painting purchased at Maslak-McLeod Gallery by collector Kevin Hearn.
[18] Robertson has curated a number of exhibitions in Canada, including Dana Claxton: The Sioux Project—Tatanka Oyate at the MacKenzie Art Gallery, in Regina, Saskatchewan September–January 2017 – 2018.
Robertson is a past president of the Native Heritage Foundation of Canada, where she advocated accessibility and preservation for collections of aboriginal Canadian art.