Associate Professor Gannon taught secondary English in several states for many years and also worked as an English curriculum adviser and Equity Programs Officer with Education Queensland before arriving at UWS. She is a prolific publisher with interests in diverse fields of educational research and beyond.
She is the current Editor of the journal English in Australia and is on the editorial advisory board of Outskirts: Feminisms along the edge. She is a recipient of a 2010 ACSANZ grant on "Diversity, Youth and Neo-Liberalism in Canada and Australia" with Marnina Gonick (Mount St Vincent University) and Jo Lampert (QUT).
At UWS she convenes and teaches in the Master of Education (Leadership), teaches in the Master of Teaching (Secondary) and is co-coordinator of the award-winning PE3 community service learning program for secondary pre-service teachers.