The Macdonald–Laurier Institute (MLI) is an think tank located in Ottawa, Ontario, Canada. The Managing Director of MLI is Brian Lee Crowley who founded the Atlantic Institute for Market Studies, which is located in Atlantic Canada. Founded in 2010, the institute is named after two of Canada's earliest and most recognizable political leaders: Sir John A. Macdonald was Canada's first prime minister, Sir Wilfrid Laurier was the country's first French-Canadian prime minister. MLI is a registered charity with the Canada Revenue Agency.