Dr. Karunanayake joined the University of Hull as a Ph.D. student in 2006. While doing her Ph.D., she served as a part-time tutor, and has been a full-time academic since September 2012. Before joining the university of Hull, she worked for 12 years at the University of Sri Jayewardenenpura, Sri Lanka.
Dr. Karunanayake teaches a wide range of modules in Organizational Behaviour and HRM for both undergraduate and postgraduate degrees and also supervise Ph.D. research students.
She also served as the Programme Director for BA Business and Management (part-time) Programme for four years.