Lianne Buchanan is head of the total rewards team at Definity Insurance, formerly Economical Insurance. Founded in 1871, Definity is one of Canada's leading property and casualty insurers and as of November 2021, one of Canada’s newest publicly traded organizations. Buchanan is responsible for and leads the direction and operation of Definity’s compensation, retirement savings, benefits, wellbeing and recognition programs.

Buchanan has worked in the in the human resources field for over 20 years and has a broad human resources background in a variety of industries including hospitality and tourism, financial services and not-for-profit. She has previously taught compensation at the University of Guelph. She has both a bachelor of arts (honours) degree and a bachelor of education degree from Queen’s University and a post-graduate certificate in human resources management from Humber College.