In 1988, he was appointed Deputy Commissioner of Economic Development in the office of New Brunswick Premier Frank McKenna and, later that year, was elected to the Legislative Assembly of New Brunswick as the Liberal MLA for Tracadie.
Losier served as Minister of Fisheries and Aquaculture from 1989 to 1991 when he was appointed Minister of Commerce and Technology and Minister of Tourism, Recreation and Heritage which was combined into the position of Minister of Economic Development and Tourism [REF].