Stuart is a member of the New Brunswick Law Society, the Nova Scotia Barristers’ Society and the Canadian Bar Association — of which he is a past chair of the environmental law subsection for Nova Scotia. He practises Aboriginal law throughout Canada on behalf of First Nations, tribal councils, and other Aboriginal representative organizations in relation to Aboriginal and Treaty Rights, Aboriginal Title, trust and fiduciary duties, fish and wildlife issues and natural resource development. He has been extensively involved in major litigation before the courts of several jurisdictions on behalf of First Nations. Stuart is engaged in a wide range of negotiations on behalf of Aboriginal Peoples with the Federal Crown, Provincial/Territorial Crown, resource developers and corporations. In addition, he advises First Nations on managerial, administrative, employment and business related matters.