Mark Carney is a known commodity in Liberal circles. Party organizers have tried to convince the former central banker to run under the big red banner for the past decade.

Brendan Hanley is endorsing Mark Carney, a former governor of the Bank of Canada, to be the next Liberal Party of Canada leader and prime minister

OTTAWA—Mark Carney, the former Canadian and U.K. central banker, formally declared his interest in succeeding Justin Trudeau as leader of Canada’s Liberal Party and the country’s prime minister, promising an economic agenda focused on lifting it from a period of stagnant growth.